Two military helicopters collided during a training session in Malaysia and crashed.

According to the French news agency AFP, the Malaysian Fire and Rescue Department said that all 10 crew members on board the helicopter were killed.

Senior Operations Commander of the Fire and Rescue Department Sohimi Muhammad Sohail has said that two helicopters collided during training. Medical officers have confirmed the death of all 10 people on board In videos shared online, several helicopters could be seen flying low over Naval Stadium, rehearsing flypasts for military events in May.

The rescue department has said that two helicopters, Eurocopter AS 555 SN Fanek and Augustaviest Land AW 139, were destroyed in the accident.

Prime Minister Anwar Ibrahim expressed his condolences to the families of the victims and said that the nation is mourning over this incident.

“I have been told that there will be an immediate investigation by the Ministry of Defense and in particular by the (Royal Malaysian Navy) to find out the cause of the accident,” he said.

Incidents of helicopter crashes are not common in the Southeast Asian country.

Last month, a Malaysian Coast Guard helicopter crashed in the Strait of Malacca with no casualties.