tom mullin, thank you for joining us.happened and what we know for sure. yes, there were reports of an explosion at 1016 this evening at the manchester arena. ariana grande had just finished her concert. a lot of young people there, children, at the concert. an indoor arena with a capacity of up to 21,000 people. reports of an explosion. we now know a cornish british transport police said that explosion was in the foyer area. on the promoter of the arena. —— promoter. —— we now know from british transport police. —— perimeter. there have been a number of casualties and there is talk of a casualty bureau being open. so that suggests a number of injured and a number of fatalities. one witness said he was thrown off his feet and through the doors of the venue by the force of the explosion. he saw 20-30 the force of the explosion. he saw 20—30 people injured, many believed we re 20—30 people injured, many believed were dead, many young. the cause of the explosion, we do not know. some people at the time certainly thought it w