A number of people have died and others have been injured following a reported explosion at Manchester Arena.
Witnesses reported hearing a "huge bang" following a pop concert by US singer Ariana Grande.
Greater Manchester Police said there are a "number of confirmed fatalities and others injured".
Witnesses said they heard two loud bangs, reported to be near the ticket office of the arena. The cause of the reported explosion is unknown.
Manchester Victoria station, which is close to the concert venue, has been closed and all trains cancelled.
