Moscow/UNI: A MiG-31 fighter-interceptor on a training flight crashed in Russia's Primorsky region, the Eastern Military District said on Friday, adding that the crew ejected.

"On December 2, a MiG-31 aircraft crashed in the Primorsky region during a planned training flight.

"Mi-8 helicopters of the search and rescue service sent to the scene," the military district said in a statement.

The plane crashed in a deserted place, and there is no destruction on the ground, it said.

According to preliminary information, the cause of the accident could be a technical malfunction.