Manchester terror attack: UK suicide bomber kills at least 22

Islamic State terror group claims responsibility, attacker identified

British police on Tuesday identified the suicide bomber who killed 22 people, including children, in an attack on a crowded concert hall in Manchester, and said they were trying to establish whether he had acted alone or with help from others.

The suspected attacker was named as Salman Abedi, aged 22. Two US officials who have been in contact with British authorities said he was believed to have travelled to Manchester from London by train.

"Our priority, along with the police counter-terrorism network and our security partners, is to continue to establish whether he was acting alone or working as