A cargo ship, the Tuğberk İmamoğlu, sank in the Sea of Marmara near İstanbul Wednesday morning following a collision with an oil tanker. The vessel was carrying 4,200 tons of rolled sheet metal and had a crew of 10. Turkish officials have launched a large-scale search and rescue operation to locate the missing sailors. The accident occurred before dawn, and the cause of the collision is currently under investigation. Details regarding the oil tanker involved and the extent of any environmental impact have not yet been released. The sinking has prompted significant concern and a focused effort to find the missing crew members. Authorities are coordinating the rescue efforts and working to determine the circumstances surrounding the incident.