Authorities have detained nine crew members from a commercial ship after a collision with another vessel caused it to sink, with the wreck believed to lie as deep as 900–1,100 meters below the surface.

Two Turkish commercial vessels collided in the Sea of Marmara. Contact was lost with the Tugberk Imamoglu and its ten crew members. Coast guard ships and helicopters were…

The Turkish-flagged Alsu and Tugberk Imamoglu collided off Istanbul’s Silivri district around 3 am Wednesday, the governor’s office said. | World News