Ten people have been killed in a helicopter crash in Argentina, including three French sports personalities.
Investigations have begun into the crash of a US military HH-60G Pave Hawk in Norfolk at 19:00 GMT on Tuesday night.
Rescuing the people trapped and recovery of the deceased whilst maintaining the evidence to investigate the crash of the helicopter in Glasgow will be a particular challenge.
Eight people have died and 32 injured after a helicopter crashed into a pub in Glasgow.
A helicopter crashed in central London, today after hitting a crane on top of a tower block by the River Thames, killing two people and injuring 13.