Crash investigators from the Air Accidents Investigation Branch (AAIB) have been at the scene and the wreckage of the aircraft has now been removed.

BBC: A1 in Cambridgeshire reopens after fatal plane crash

Four inspectors from the Air Accidents Investigation Branch (AAIB) are at the crash scene carrying out an inquiry.

BBC: Crash blamed on 'major fault'

Last year, a report by the Air Accidents Investigation Branch (AAIB) found no technical reason for the crash, but said a technical fault could not be ruled out.

BBC: Colin McRae's neighbour describes helicopter crash

The Air Accidents Investigation Branch, part of the UK Department for Transport, is investigating the crash, for which no cause has yet been given.

CNN: London helicopter crash prompts safety questions

Speaking at Westminster, he said 14 Air Accident Investigation Branch staff had been deployed to Aberdeen to examine the cause of the crash, and would report as soon as possible.

BBC: Salmond considers crash inquiry

The Egyptian authorities have suspended all hot air balloon flights near Luxor and launched an investigation following the deaths of 19 tourists in a crash.

BBC: Egypt suspends Luxor balloon flights after deadly crash