Manchester pop concert attacker died detonating device, 22 dead

– US ‘ready to assist’ –

Hopkins said investigators were “working closely with the national counter terrorism policing network and UK intelligence partners”.

The US Department of Homeland Security, Britain’s biggest intelligence partner, said it was “closely monitoring” the situation.

“We are working with our foreign counterparts to obtain additional information about the cause of the reported explosion as well as the extent of injuries and fatalities,” the department said in a statement.

Tributes poured in for Manchester from around the world.

Canadian Prime Minister Justin Trudeau said Canadians were “shocked by the news of the horrific attack,” while EU president Donald Tusk wrote: “My heart is in Manchester this night.”

French President Emmanuel Macron said he was “horrified” by the attack.

– Pop world rallies –

The pop world also rallied, with Katy Perry tweeting: “Praying for everyone at Ariana Grande’s show”.

US pop princess Taylor Swift, a friend of Grande, wrote: “My thoughts, prayers and tears for all those affected by the Manchester tragedy tonight”.

In Manchester, residents tweeted with the hashtag #RoomforManchester to offer a place to stay and there were reports of taxis taking passengers for free.

“We have a spare double bed and two sofas available if anybody needs a place tonight,” tweeted @iamjesyrae.

Concerned relatives used the hashtag #MissinginManchester to locate loved ones.

Train services to and from Manchester Victoria Station — located under the Arena — were cancelled.

“Disruption is expected to continue until the end of the day,” National Rail said in a statement.

Theresa May condemns ‘appalling terrorist attack’ in Manchester, 19 dead https://t.co/XL6HxN6816 #ManchesterArena pic.twitter.com/4tZ6Aktrvc

— The Independent (@UGIndependent) May 23, 2017