A military transport plane, identified as a Russian Ilyushin Il-76, crashed near the Ukrainian border, reportedly carrying 65 Ukrainian prisoners of war for exchange.
The crash involved 74 people, including crew and guards.
The cause remains unknown, but a Russian lawmaker mentioned the plane being shot down by three missiles.
Footage shows the aircraft falling and exploding near the village of Yablonovo.
Local authorities are investigating the incident in the Belgorod region, near the Ukrainian border. The Kremlin stated it is looking into the situation.