We're wrapping up our live coverage for now - thank you for joining us, and we'll see you again from Saturday morning BST.

Before we go, here's a quick recap of Friday's main developments:

• The US Food and Drug Administration has given emergency approval for the experimental antiviral drug remdesivir. The company behind the drug has donated 1.5 million vials
• UK Health Secretary Matt Hancock says there has been an "unprecedented" rise in coronavirus testing in the UK and that the target of 100,000 daily tests has been met - but the opposition Labour Party says the numbers are misleading
• The UN has warned that millions of children could miss out on vital vaccinations because of aviation delays
• India and Ireland have both announced extensions to their lockdowns

• May Day rallies have taken place across the world in support of workers' rights - but in scaled-back or socially-distanced form
• And more than 1,014,000 people known to have had the virus globally have recovered, according to Johns Hopkins University

Our live coverage was brought to you by our BBC teams in the UK and abroad:

Owen Amos, Aparna Alluri, Andreas Illmer, Anna Jones, Frances Mao, Tessa Wong, Gareth Evans, Tom Spender, Gary Kitchener, Gareth Evans, Alex Kleiderman, Matt Davis, Vicky Bisset, Saj Chowdhury, Ben Collins, Emlyn Begley, Alex Therrien, Jennifer Scott, Lucy Webster, Kate Whannel, Alexandra Fouché, Max Matza, Kelly-Leigh Cooper and Rebecca Seales.

You can get all the latest updates on the biggest world news stories on the BBC News website.

President Donald Trump says he is considering imposing tariffs on China over its failure to contain the new coronavirus in the Chinese city of Wuhan, where it began in late 2019.

His remark to journalists came as he boarded a helicopter to go to Camp David, the country retreat of US presidents, for a "working weekend".

Trump, who hasn't left the White House since 28 March, is expected to be joined by a small group of aides, including chief of staff Mark Meadows and his daughter Ivanka, US media report.

A doctor who urged volunteers to make visors for NHS staff due to a shortage at her hospital has said she is "overwhelmed" by the response.

More than 75,000 face shields have been produced just weeks after Deborah Braham, who is based at Hammersmith Hospital in West London, appealed for help on WhatsApp.

The Visor Army project spread on social media and has found support among high-profile TV and fashion celebrities.

It came after a BBC investigation found the government had failed in buying protective kit to cope with a pandemic.

Image source, Dr Deborah Braham

Image source, Reuters

Many of us are feeling a bit powerless at the moment - and are keen to find ways to contribute.

If that's you, here are some simple ways you can help during the coronavirus outbreak.

Brian Wheeler

Image source, Amie Smith

Many families here in the UK are struggling to put food on the table as the coronavirus lockdown robs them of their income.

A report by food bank charities, external points to an alarming rise in the number of people in need of essential supplies.

Amie Smith and her partner, Marcus, were just about getting by before the coronavirus lockdown.

Now they have had to give up their zero-hours contract jobs and are relying on universal credit payments, food vouchers from the government and the occasional food parcel from local schools.

"We have gone without meals so the children can eat. It isn't nice when you are feeling hungry and you open the cupboard and there is nothing in there for you."

Read more.

Here's the latest coronavirus news from across Africa:

• The majority of health workers in Kenya have been forced to reuse personal protective equipment (PPE), according to a study by a human rights group
• Also in Kenya, President Uhuru Kenyatta has faced criticism after the country sent flowers to the UK's National Health Service (NHS). Some Kenyans have accused the government of having "misplaced priorities", but the president said it was a strategic move as the UK was a huge market for Kenya's flowers
• Tanzania’s main opposition party, Chadema, has told its MPs to self-isolate for at least 14 days and stay away from parliamentary buildings. Three MPs have died in less than a fortnight, though their deaths have not been linked to the virus
• Meanwhile, South Africans have been taking advantage of a slight easing in the tough lockdown restrictions by taking to the streets to get exercise

Image source, AFP

More people in the UK are now eligible to be tested for coronavirus.

But what is it like to get tested at a drive-through centre?

Watch Heather Lamont, a private carer, take a test:

Image source, Reuters

The US president has been hosting an event at the White House to honour "heroes" in the US coronavirus pandemic.

One of the five invited guests is a high school student who has been flying personal protective equipment (PPE) from his home in the Washington DC suburbs to rural Virginia.

Another is a postman who has been delivering groceries to elderly citizens along his route.

"In this hour of need, the world has once again witnessed the unbeatable strength of America," Mr Trump says.

During his remarks, the president estimates that the final death toll from Covid-19 in the US could come in at under 100,000. He had earlier predicted 60,000 deaths, but the US has now passed that figure.

Image source, Comic Relief

A celebrity cover of the Foo Fighters' song Times Like These has reached number one in the UK singles chart.

The charity single, which features artists including Dua Lipa and Rita Ora, was released as part of the BBC's Big Night In.

The money raised will go to causes supporting vulnerable people across the UK who have been affected by the coronavirus pandemic.

Last week, a duet of You'll Never Walk Alone by war veteran Captain Tom Moore and Michael Ball topped the chart, with proceeds going to the NHS Charities Together fund.

It's the first time since 2014 that one charity single has been replaced by another in the number one spot.

Read more from the BBC's Mark Savage here.

Coronavirus continues to spread across Canada, even in the country's most remote corners. Nunavut, a remote territory near the Arctic Circle with a population of about 40,000, has its first confirmed case in the small community of Pond Inlet, on Baffin Island.

Elsewhere in the news:

• There are now 53,657 cases of coronavirus and 3,223 deaths recorded across the country, according to government data, external
• Analysis of provincial data conducted by newspaper National Post shows that coronavirus may have arrived in Canada from the US, not China, external
• MPs voted to issue a formal summons to the World Health Organization epidemiologist Dr Bruce Aylward, after the agency declined a previous invite. They hope to ask him how the organisation arrived at its initial guidelines to not wear masks, among other things

• New data compiled by researchers at the CD Howe Institute shows Canada is now officially in a recession, external

Image source, CBS

A 99-year-old US military veteran says he has been inspired by WWII UK war veteran Captain Tom Moore to go on a 100km (62 mile) walk ahead of his 100th birthday in August.

Colorado resident Ray Burns says he heard about Capt Moore's garden walks, which generated £32 million in donations to the NHS, and felt inspired to do his own challenge.

Ray Burns also served in World War Two, as well as the Korean War and the Vietnam War.

"I’d say that I admire what [Capt Tom's] done for his country, what he’s done for himself," he told CBS.

Image source, CBS

His daughter, who died in an accident in 2005, was a nurse. His wife of 62 years died soon after her, from pancreatic cancer.

He says the loss of his loved ones and support for healthcare workers is what motivates him.

"Think positive. Don't ever think that the glass is half empty," he says, adding that he plans to walk a kilometre every morning and evening to accomplish his goal.

Image source, Getty Images

Fertility clinics in the UK will be allowed to reopen, bringing hope to couples trying for a baby, Health Secretary Matt Hancock has confirmed.

Clinics - both NHS and private - can apply to reopen from 11 May if they ensure the safety and protection of staff and patients, the fertility regulator said.

There must be social distancing in waiting rooms and more appointments by phone may be used, as well as personal protective equipment.

The announcement was made during the daily coronavirus briefing.

Read more.

Here are some of the stories making the headlines in Asia:

• The world's biggest casino hub, in the Chinese territory of Macau, has seen a 97% drop in gaming revenues from a year earlier. The former Portuguese colony closed all of its gaming venues for two weeks in February - but they remain largely empty because anti-virus restrictions are barring visitors from the Chinese mainland
• New Zealanders have been warned to cancel any parties planned for this weekend. Grant Robertson, the country's finance minister, said people should not be "idiots", the New Zealand Herald reports, external
• Singapore has started moving migrants who have recovered from coronavirus to two unused cruise ships, news agency AFP reports. Other migrants - who normally live in crowded dorms where many of the city state's cases have emerged - have been moved into sites like military barracks and empty blocks of flats as officials try to stop the spread of the disease

Image source, Reuters

A doctor working in one of the main hospitals treating coronavirus patients in the Russian capital, Moscow, has compared the current situation to a warzone.

Former military doctor Mikhail Ketskalo, who now works at Moscow Hospital No 52, told Reuters news agency how the influx of Covid-19 patients was similar to receiving masses of wounded during a conflict.

"I had a similar situation in December 1999 during the siege of Grozny," the medic said, referring to the conflict between the Russian troops and Chechen separatists in a battle which left the Chechen capital almost completely destroyed.

Dr Ketskalo added that each death caused heartbreak to him and his colleagues.

"It feels like we are challenged by the 'other side'," he said, referring to the virus as the enemy. "It hurts when our patients lose their lives, we do feel close to them."

Russia has recorded over 110,000 cases of coronavirus, over half of them in Moscow, while 1,169 people have died.

Pop stars Ariana Grande and Justin Bieber have announced they will collaborate on a new release called Stuck With U.

The song will be released on 8 May.

The proceeds will be donated to the First Responders Children’s Foundation, which helps provide scholarships and grants to the children of medical workers, police and firefighters.

Katy Watson
BBC South America correspondent

Image source, Reuters

This week Brazil passed a painful milestone: the country's number of confirmed cases and its death toll are now higher than in China, where the virus originated.

It definitely feels like the crisis has stepped up a gear – that the situation is going to become more acute in the coming weeks.

The images coming out of Manaus, the biggest city in the Amazon, have been shocking. They’re digging mass graves to cope with the numbers dying and the mayor himself has said the scenes are like a horror film.

But at the same time, there’s growing pressure to open up the economy. There’s been no national lockdown, but schools and businesses in many states have been shut and movement has slowed.

Now governors are talking about how to gradually start up again. But it feels premature.

One city in the south, Blumenau, reopened its shopping centres a couple of weeks ago – since then, there’s been a massive spike in the numbers of cases.

If that happens nationwide, Brazil and its struggling public health system will be in trouble.

The US Food and Drug Administration (FDA) has given emergency approval for the drug remdesivir to be used as a coronavirus treatment, US President Donald Trump has said.

Trump said that the CEO of Gilead, which developed the drug, had described the move as an important first step and would donate 1.5 million vials of remdesivir.

Vice-President Mike Pence said distribution of the drug to hospitals would begin on Monday.

The drug, which was originally developed as a treatment for Ebola, cut the duration of coronavirus symptoms from 15 to 11 days in one US trial involving hospitals around the world.

However, a Chinese study has questioned the drug's usefulness.

Read more about remdesivir here.

The UK Government had promised 100,000 coronavirus tests a day by the end of April - and says it managed to achieve this thanks to a sharp spike in testing in the final two days of the month.

The total testing figure includes 27,497 kits which were delivered to people's homes and also 12,872 tests that were sent out to centres such as hospitals and NHS sites.

However, these may not have been actually used or sent back to a lab.

Image source, .

Three members of German football club FC Cologne have tested positive for Covid-19, the club has confirmed.

The Bundesliga side said the entire team, as well as coaching and backroom staff, were tested on Thursday.

The three individuals who tested positive were not displaying any symptoms, the club said, but would spend 14 days in quarantine at home. Group training at the club would continue, it added.

The club did not identify those who had contracted Covid-19.

Image source, Reuters

The head of the World Health Organization has rejected suggestions it should have declared a global health emergency on the coronavirus sooner.

Tedros Adhanom Ghebreyesus told a virtual media briefing that the 30 January declaration was made in "enough time for the rest of the world to respond" because at that stage there were only 82 cases of infection and no deaths outside China.

Also at the briefing, the agency's head of emergencies, Mike Ryan, said the WHO was seeing worrying increases in cases of Covid-19 in Haiti, Somalia, Sudan, South Sudan, Yemen, Syria, Afghanistan, Sierra Leone and northern Nigeria.

Asked about US President Donald Trump's claim to have seen evidence suggesting the virus started in a Chinese lab, Ryan reiterated that the new coronavirus was of natural origin.