Marmara Sea Disaster: Turkish Cargo Ship Sinks Following Collision Off Istanbul Leaving Ten Missing

Istanbul, Turkey—Ten Turkish crew members went missing early Wednesday morning after their cargo ship sank rapidly following a collision with an oil tanker in the Marmara Sea. Transport and Infrastructure Minister Abdulkadir Uraloğlu confirmed that the cargo vessel Tuğberk İmamoğlu went down within eleven minutes of impact roughly 35 kilometers off the coast of Silivri. The ship was transporting a heavy cargo of steel coils from Iskenderun toward the Black Sea when it intersected with the tanker Alsu in heavy pre-dawn traffic. Coast guard dispatchers received a distress call at 3:26 a.m., launching an immediate multi-agency search and rescue operation.

Naval assets, coast guard cutter boats, and search helicopters deployed to the accident zone to comb through floating debris and empty lifeboats recovered near the surface. Maritime experts noted that the vessel's dense steel coil cargo likely accelerated its descent into waters measuring up to 900 meters deep. Rescue divers found no sign of life inside the recovered lifeboats, and repeated cellular calls to the missing crew members' mobile phones went unanswered. The tanker Alsu sustained minor surface scrapes and remained at the scene to assist search coordinators before undergoing port inspections.

Shipping associations expressed shock over the rapid sinking in one of the world's busiest maritime transit corridors connecting the Black Sea to the Aegean. Maritime traffic controllers temporarily restricted vessel movements across the strait to facilitate ongoing underwater sonar sweeps by naval rescue ships. Families of the missing sailors gathered at the port authority headquarters in Istanbul demanding regular updates from rescue coordinators. Trade unions pointed to chronic fatigue among commercial crews navigating congested maritime bottlenecks as an escalating safety hazard.

Prosecutors from the Istanbul Chief Public Prosecutor's Office opened a formal judicial inquiry into navigational negligence and collision protocols. Naval search vessels deployed underwater remote-operated vehicles to locate the main hull wreckage resting on the deep seabed. Port authorities issued continuous safety advisories to commercial captains operating throughout the Marmara basin. Search and rescue commanders pledged to continue marine sweeps through the night despite challenging underwater visibility conditions.

Further updates on the underwater search operation will be provided during a joint press briefing scheduled for Thursday morning by maritime directorate officials. Shipping lines adjusted their transit schedules to accommodate ongoing naval maneuvers across the southern approaches to Istanbul. Relatives of the missing crew continue receiving psychological support from municipal emergency response teams stationed at the harbor. The search perimeter was expanded westward as surface currents carried lightweight debris further into open waters.