At least 22 dead after blast at Ariana Grande concert in Manchester, UK

At least 22 are dead and around 50 injured after a blast at a Ariana Grande concert in Manchester, UK on May 22.

British police said it is being treated as a terrorist incident.

Police said they responded to reports of an explosion.

Manchester Arena has a capacity for 21,000 people. It is the largest indoor arena in Europe.

One witness said she felt a huge blast as she was leaving the arena. Then came screaming and a rush as thousands of people trying to escape.

Other witnesses said there were many children at the concert.

Britain’s threat level is at “severe,” which means a terrorist attack is considered highly likely.