Intelligence sharing between the UK and the US resumes after row
Police search a property in Wigan following an assessment by a bomb disposal team
Police say they have made "significant" arrests - eight people are still in custody
Raids on properties have yielded "very important" items, police say
The Queen has visited victims at Royal Manchester Children's Hospital
A national minute's silence has been held to remember victims
Suspected suicide bomber is UK-born Salman Abedi, 22, of Libyan origin
Alison Howe, 45, from Royton, and Lisa Lees, 47, from Oldham near Manchester, were killed while waiting in the foyer to pick up their daughters, it has been confirmed.
The girls, both aged 15, are believed to be safe.
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The identities of all the victims of the Manchester attack are now known and their families have been informed, say police.
A Greater Manchester Police spokesman said: "We are now confident that we know who all the people are, who have sadly lost their lives in the attack at the Manchester Arena.
"We have made contact with all of the families and our specially trained officers are supporting them."
GMP added that post mortem examinations were likely to take four to five days due to the number of victims. The force will be able to officially name the victims after that, it added.
Burnage Academy for Boys in Manchester has issued this statement:
Quote MessageWe can confirm that Salman Abedi attended Burnage between 2009-2011. As this is an ongoing police investigation, we know that the press will understand that it is in the public interest for us to say no more at this time...."
Faith leaders from local churches and mosques have been holding a public vigil in the East Lancashire borough of Pendle.
It has been organised by the Building Bridges, external group to condemn the Manchester bombing and make prayers and statements for peace.
It has taken place in Nelson town centre this morning.
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The Ariana Grande fandom has been on social media to show the love they feel for the singer, following the Manchester bombing.
Read MoreA County Durham schoolgirl is in hospital after being caught up in the terrorist attack in Manchester, her family has confirmed.
Laura Anderson, from Newton Aycliffe, had surgery last night to have shrapnel removed from her leg and shoulder, at Bolton Royal Infirmary.
The 15-year-old - who attends Woodham Academy - travelled to the Ariana Grande concert with her best friend and best friend’s parents, who were waiting for the teenagers outside when they heard the explosion.
Image source, Family photoBBC Scotland political correspondent tweets...
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Image source, Getty ImagesAsked if the bomber Salman Abedi was known to have proven links to so-called Islamic State, the home secretary would not comment but said she must let the police and intelligence services investigate.
Amber Rudd also declined to comment on whether he was the subject of any Terrorism Prevention and Investigation Measures or temporary exclusion orders.
Speaking after Wednesday's Cobra meeting she said she wanted to take the opportunity to thank the NHS, the emergency services and the police in Manchester in what had been traumatic circumstances.
Image source, Getty ImagesIconic landmarks around the world have been illuminated in the colours of the union jack to show solidarity following the Manchester attack.
Images of major landmarks from around the world lit up in red, white and blue were shared on social media to pay tribute to the victims of the attack.
European Council President Donald Tusk tweets...
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Image source, Getty ImagesCeline Dion is due to play at the Manchester Arena in a little over a month's time.
The Canadian singer paid tribute at her Las Vegas show on Tuesday night with a screen reading 'Manchester, we are with you'.
In a tweet, written in French and English below, she said her audience were "joining hands in support".
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A man was taken away by police from outside Buckingham Palace moments before the Queen passed by in her car.
It's not clear why he was detained.
He was put into a police van by both armed and unarmed officers.
A Polish couple from York died in the Manchester Arena terror attack on Monday, it's been confirmed.
Angelika and Marcin Klis took the selfie pictured below in Manchester city centre, shortly before going to the concert to pick their daughters up:
Image source, Alex KlisThe picture was shared on Facebook by their daughter, Alex, 20, a student at York College, who appealed for information on their whereabouts.
Alex wrote: "Anyone who is in any safe place or hospital in Manchester, if anyone comes across my parents please please let me know as they've been missing ever since the attack."
The Polish Foreign Minister, Witold Waszczykowski, says: "The parents came after the concert to collect their daughters and unfortunately we have information that they are dead."
Marcin worked at York Cars Taxi Service, a cab company in York.
Jane Tweddle-Taylor, aged 50, is confirmed to have died.
From Blackpool, she had gone to the arena with a friend to pick up the friend's daughter.
She was a receptionist at South Shore Academy School, Blackpool.
Father of two Serge Maestracci was at the Bataclan with friends on the night of the 2015 Paris attacks. He has this message of support for the people of Manchester.
Read MoreThe government has raised the UK terror threat level to "critical" which means armed soldiers and police will be deployed to guard key locations in London including Buckingham Palace, Downing Street, Westminster and embassies.
The Mayor of London, Sadiq Khan, said the security services are "doing everything possible to keep Londoners and our city safe."
UKIP Leader Paul Nuttall says the party's manifesto launch will go ahead tomorrow:
Quote MessageWe are all horrified by the horrific events that took place in Manchester. Following those events it is right and proper that political parties suspended their campaigns for a short period as a mark of respect to those who lost their lives or suffered appalling injuries.
Quote MessageBut we cannot be cowed or allow our way of life to be undermined by those who wish to do us harm. These people hate the way we live, hate our freedom and hate our democracy.
Quote MessageThe best response we can make is to ensure that the democratic process continues and therefore I have decided that we must to go ahead with the launch of the UKIP general election manifesto tomorrow.
Quote MessageFor those who say that nothing must change, but then complain, it is by prolonging the disruption to normality that we allow the terrorists to win.
Quote MessagePolitics has never been more important, politicians must deal with these issues."
Our security correspondent tweets:
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Dr Brooke Rogers, reader in risk and terror at King's College London, writes...
When counter-terrorism experts talk about protecting crowded places, they ask us to think about security as the rings of an onion.
The centre of the onion is the target - perhaps a government building, military base, shopping centre or other public place.
Around that are the rings of the onion - the obstacles and barriers that an attacker must first get past.