(CNN) -- A Brunei air force helicopter crashed, killing 12 military officials returning back from training, authorities in the southeast Asian nation said Saturday.
The crash occurred Friday, a military statement said.
Authorities searched for the victims after the crash and found two survivors, who were rushed to a hospital.
All personnel involved are accounted for, the military said.
The crash occurred in the area of Kuala Belait, in a western part of the nation. Brunei is a sultanate on Borneo island.
Relatives and officers from the defense ministry held prayers for the victims.
Officials did not provide information on what caused the crash.
CNN's Karen Smith contributed to this report.