Two army helicopters have collided in southern France, killing at least five people. The crash happened at Carc's lake, just north of St Tropez. <br/><br/>Rescuers are at the scene, in the Var region, searching for a sixth person who was aboard one of the helicopters. It is not clear what caused the crash. <br/><br/>Officials said both the Gazelle helicopters belonged to a military flying school called Ealat, which trains pilots for the army and other military services. <br/><br/>The Gazelle has been in service with the French military since the 1970s and is used by the French forces in Mali, in their anti-terror mission.

Two army helicopters have collided in southern France, killing at least five people. The crash happened at Carc's lake, just north of St Tropez. <br/><br/>Rescuers are at the scene, in the Var region, searching for a sixth person who was aboard one of the helicopters. It is not clear what caused the crash. <br/><br/>Officials said both the Gazelle helicopters belonged to a military flying school called Ealat, which trains pilots for the army and other military services. <br/><br/>The Gazelle has been in service with the French military since the 1970s and is used by the French forces in Mali, in their anti-terror mission.