Audience member were lying on the floor of the Apollo Theatre when the London Ambulance crew arrived.
Incident commander Maria Smith:“When I arrived it was dark & extremely dusty - people were lying on the floor of the theatre" (1of2) #Apollo
“We very quickly set up a casualty clearing area in the foyer of the theatre - the walking wounded were assessed & treated there." (2of2)
More top news
A 16-year-old boy has died after an "altercation" between a group of men in Leicester.
The Chancellor will present his Autumn Statement and Spending Review to the House of Commons on Wednesday.
The shocking video of Laquan McDonald being killed brings the debate about racism in the US criminal justice system centre stage once more.