A cargo ship has sunk in the waters off Istanbul following a collision with an oil tanker, leaving ten crew members unaccounted for. Rescue operations are currently focused on reaching the wreckage and locating the missing sailors. The incident occurred in the Istanbul Strait, a key waterway for international shipping. Authorities have launched a full investigation to determine the cause of the collision and assess the extent of any environmental damage. Details regarding the nationalities of the crew are currently being withheld pending notification of families. This incident highlights the ongoing risks associated with maritime traffic in the busy Istanbul Strait. Recovery efforts continue as hopes diminish for the missing crew.