The two ships, the Volgoneft 239 and the Volgoneft 212, were transporting roughly 9,200 tonnes of mazut. Footage from the scene also showed a black liquid rising among the waves.

Damaged Russian ships spill an estimated 3,700 tonnes of oil in Kerch Strait

The two ships, the Volgoneft 239 and the Volgoneft 212, were transporting roughly 9,200 tonnes of mazut. Footage from the scene also showed a black liquid rising among the waves.