Police are continuing to investigate the circumstances surrounding an explosion at a Manchester pop concert.
At least 19 people have been killed and another 50 injured in the attack late last night.
Chief Constable Ian Hopkins of Greater Manchester Police, said at a press conference that an emergency number has been set up for those worried about loved ones: 0161 856 9400.
He said police were currently treating it as a terrorist incident until they have further information.
He added: “This is clearly a very concerning time for everyone. We are doing all that we can.”
Mr Hopkins said police are working with other officials to investigate the circumstances of the explosion and asked people to avoid the area around the arena while the investigation is ongoing.
Manchester Arena Explosion: Emergency number set up for those worried about loved ones