Russian navy ship sinks after colliding with freighter

A Russian navy reconnaissance ship has sunk off Istanbul after colliding with a freighter in the Black Sea.

All 78 personnel on board the Liman are accounted for after it collided with the Togo-flagged freighter Youzarsif H.

The Turkish safety authority said 15 Russian sailors were rescued after the collision.

The freighter was carrying livestock, and all of its crew is safe.