Rewrite in the passive voice some people saw a ufo in the sky above london last night. they reported it to the police. the army sent a helicopter to look at it more closer. the ufo shot the helicopter down and killed both men in it.people have given photographs of the ufo to the police. experts are looking at them now.
it was written by them to the police
a helicopter was sent by army to look at it more closer
the helicopter and both the men it was shut down and was killed