MOSCOW – The helicopter that crashed in the Far Eastern city of Khabarovskhad six crew members on board, none of them survived, the Far Easterntransport investigation department of the Russian Investigative Committeesaid on Wednesday.

A criminal case was launched into the violation of air transport safetyrules.

“The investigation looks into three major versions of the accident: weatherconditions, technical malfunction or pilot error,” the department said in astatement.

According to the statement, a Mi-8 helicopter of the Vostok air carriercrashed on the Vyborgskaya street in the Far Eastern city of Khabarovsk atabout 11:00 local time (4:00 Moscow time) while on a training flight.

A team of investigators is working at the scene. (TASS)