Dhaka  - Two army officers were killed Monday in a helicopter crash in Tangail district of central Bangladesh, according to officials.

Major General Rafiqil Islam and the pilot of the chopper, Lt Col Istiaq Shahid, died on the spot as the helicopter crushed into a field at Kalihati, 85 kilometres northwest of Dhaka, a district administration officer said.

The co-pilot survived the accident with severe injuries and was shifted to Combined Military Hospital in Dhaka.

Authorities said the reason for the accident was unknown, but would be investigated. (dpa)