A writer who was at London's Apollo Theatre when the ceiling collapsed said he saw "a lot of kids traumatised, covered in dust and blood being comforted by parents".
The Independent features writer Simon Usborne told Daybreak: "There were screams, it was immediately clear something serious had happened.
"Nobody told anyone to move - everybody rose immediately and ran to the nearest exit".
More top news
Britain's Davis Cup squad has told ITV News more needs to be done to ensure the future success of the country's tennis.
People who write racist comments online have seen their posts blown up on huge billboards near their homes, due to a new campaign in Brazil.
Model Rosie Nelson writes for ITV News, revealing why she is calling for MPs to pass a new law protecting models from becoming too skinny.