Yasmin Rufo
Culture reporter

Sky News is now back on air, after struggling to broadcast this morning.

CBBC seems to be the only major channel still experiencing problems.

Further to that airline roundup - in the past half hour, Dutch airline KLM says flight handling is currently "impossible". , external

KLM has "largely" had to suspend operations, but it is "working hard to resolve the problem".

"We realise that this is very inconvenient for our customers and staff, particularly in the midst of the summer holiday season," it says.

Image source, Reuters

Both German airline Lufthansa and SAS Airline, based in Scandinavia, are the latest airlines to report disruption.

Lufthansa says that, at the moment, the company's booking retrieval may be limited, but a solution is being worked on.

And SAS says its services are fully operational, but "technical issues" are impacting its booking engine.

Prague Airport has also been affected by the check-in system outage and says some departures from the Czech capital are delayed.

German airline Eurowings is also reporting that its online check-in is currently not working.

And in Northern Ireland, Belfast International airport says the outage is impacting the airport, but flights remain operational.

Switzerland's largest airport in Zurich also says planes are not allowed to land.

Two hospitals in the northern German cities of Luebeck and Kiel have cancelled elective operations scheduled for Friday.

Patient care and emergency services will go ahead as normal, the University Clinic of Schleswig-Holstein adds.

The organising committee for the Paris Olympics says its IT operations have also been impacted.

But - with just a week to go before the Games begin - the committee says it has contingency plans, according to Reuters news agency.

• A major problem with computer systems is disrupting transport, broadcasters, hospitals and other sectors across the world
• Flights have been grounded and airports worldwide are reporting delays
• American Airlines says Crowdstrike, a cybersecurity company, is the source of the tech issues
• In the US state of Alaska, police warn the 911 system may be unavailable
• In Poland, the Baltic Hub terminal asks ships not to send their containers there
• In the UK, rail companies are "experiencing widespread IT issues" and warning of delays
• Some GP practices are struggling to access their records systems, which include online bookings
• On TV, Sky News and CBBC have been off air

Image source, Reuters

Samira Hussain
Reporting from Indira Gandhi airport in Delhi

In Delhi, there was very little information available when I arrived at the airport. No electronic terminals were available for check-in and the lines to speak with an agent were long and unwieldy.

We were given blank boarding cards and asked to fill in the information manually. Baggage tags were printed blank and were also entered manually.

After going through security, there is one person at Terminal 3 who is in charge of updating a whiteboard by hand with gate information.

I’m at the gate where the flight is meant to leave from but there are no agents nor is there a plane.

At the gate across from the one I’m at, there is a captain and crew waiting for grounds crew to start the boarding process.

Because everything here is being done manually, things are slow. But this airport remains open.

Jonathan Josephs
Business reporter

Here's a statement to the BBC from United Airlines, which is the world’s fifth biggest by passenger numbers.

"A third party software outage is impacting computer systems worldwide, including at United.

"While we work to restore those systems, we are holding all aircraft at their departure airports. Flights already airborne are continuing to their destinations."

Yasmin Rufo
Culture, arts & entertainment reporter

The BBC’s channel for children and teenagers, CBBC, has been down since earlier this morning.

The channel has a message which reads: "Sorry! Something’s gone wrong.

"While we fix it, please go to BBC iPlayer."

BBC channels including BBC One and CBeebies are still on air.

Other broadcasters including ITV and Channel 4 have not been affected, but Sky News has been unable to broadcast.

Aruna Iyengar
Reporting from Gatwick airport

Here at Gatwick, barcodes are not working so security checks on boarding passes are being done manually, but security searches are operating normally.

I didn't have baggage to check in, so no delays for me there. But I had to use cash to buy coffees at Starbucks in the airport departures lounge.

I am on an internal flight to Newquay and am on the plane now. It is all on time so far - due to take off at 9.20am.

But we are being warned that it might take time to take off because of backlogs with air traffic control.

Image source, @sellwithDean/PA

Adam Easton
Warsaw Correspondent

Poland’s largest container terminal, the Baltic Hub in the northern city of Gdansk, is the latest major infrastructure to be affected.

"Pleased be advised that we are struggling at the Baltic Hub with a global Microsoft operating system outage that is hampering terminal operations," the company says.

Baltic Hub has asked companies not to send containers to the port. The hub began operating in 2007 and has the capacity to handle up to 2.9 million containers annually.

Jonathan Josephs
BBC business reporter

American Airlines, which is the world's biggest by passenger numbers, tells BBC that no flights are being allowed to take off, and that it is in contact with all flights that are currently in the air.

It says the IT problems are because of a "technical issue with Crowdstrike that is impacting multiple carriers".

The airline says its working with the IT security firm to fix the problem as quickly as possible. The airline carries an average of 578,000 passengers a day.

Hugh Pym
Health editor

One GP tells me: "We can see acutely unwell [patients] and handwrite notes/scripts, but for anything else we are asking to call back."

There appears to be issues with booking appointments at some GP surgeries in England.

There are multiple reports in relation to EMIS Web - which allows GPs to manage appointment bookings, conduct patient consultations, and update, store and share patient records.

Grimethorpe Surgery in Barnsley posted on X, external reporting a "major issue" saying it has "no access" to the clinical system.

The clinic later posted saying: "We are aware that users are still unable to access EMIS Web."

The Church Lane Surgery in Brighouse posted on X saying "our clinical system has not been working since 7am this morning".

"We have no access to patient clinical records so are unable to book appointments or provide information."

Central Lakes Medical Group in Ambleside wrote on X saying it has been "impacted by the IT outage".

Solihull Healthcare Partnership in the West Midlands said there is a "national issue" with "EMIS Web", the clinical computer system.

Zoe Kleinman
Technology editor

There have been reports suggesting that a cybersecurity company called Crowdstrike, which produces antivirus software, issued a software update that has gone horribly wrong and is bricking Windows devices - prompting the so-called "blue screen of death" on PCs.

Now, whether these two issues are the same thing, or whether it's a perfect storm of two big things happening simultaneously - I don't yet know. It certainly sounds like it's going to be causing a lot of havoc.

We've contacted Crowdstrike for response but haven't heard back yet.

In New Zealand, Christchurch International Airport says it is experiencing IT issues across a number of systems which may affect flight arrivals and departures.

And a spokesperson for New Zealand's parliament says their computer network is having problems.

Image source, Sky News

A few moments ago Sky News resumed broadcasting after being forced off air.

But it's now once again displaying a slate apologising "for the interruption to this broadcast".

Image source, Clara Wikforss

In the UK, bakery and coffee shop chain Gail's is reporting problems.

A sign outside the window of its Swain's Lane shop in London says it is unable to take in-store payments.

Users on social media have also reported being unable to make payments at other Gail's outlets.

Japan's Narita airport, around 60km (37miles) from Tokyo, says airlines JetStar, Jeju Air, Qantas, HK Express and Spring Japan are having issues with their systems.

And in India, Delhi airport says some services have been temporarily impacted.

Police in the US state of Alaska have reported, external an outage of emergency phone lines.

Posting on Facebook, the state police force says "many 911 and non-emergency call centres are not working correctly across the State of Alaska".