during the production of "the curious incident of the dog in the nighttime." there was about 700 people in the theater at the time when, according to eyewitnesses, the ceiling collapsed on to the audience. people were covered in dust, there was a loud cracking noise when this happened. eyewitnesses described seeing casualties. they say it was a full house, around 700 people in total. about 20 casualties counted so far. eyewitnesses describe seeing people bloodied, there were head injuries. people were being treated on the foyer of this theater. so a very dramatic incident that happened there in a very congested part of central london tonight, jake. >> what can you tell us about the apollo theater? it's obviously legendary in london. i'm not sure if you know how old it is, whether or not it's been repaired lately. what can you tell us about it? >> reporter: well, it is an incredibly famous theater, pretty much unheard of, an