The reason for the crash of the Su-34 fighter jet in Yeysk, Russia, was two gulls ending up in the engine, and this led to the burning and crash of the plane, TASS has learned from the military forces.

It was noted that these birds fell into the engine of the Su-34 during its flight.

"Experts found their [i.e., the gulls] remains while studying the wreckage of the plane," the aforesaid news agency was told.