Hundreds of mourners line up lay flowers in St Ann's Square, Manchester, 22 May 2017. At least 22 people have died, with more than 60 injured after Salman Abedi detonated a bomb in the Manchester Arena, at 10:30pm Monday, 22 May 2017. Chief Constable Ian Hopkins of GMP said ÒThis is a fast-moving investigation and we have significant resources deployed to both the investigation and the visible patrols that people will see across Greater Manchester as they wake up to news of the events last night. This will include armed officers as people would expect. More than 400 officers have been involved in this operation during the night."