Migrant Boat Sinks Off Istanbul In Bosphorus Strait Leaves 24 Dead : At least 24 people have been killed and scores are missing after a boat said to be carrying migrants sank off the north coast of Istanbul, officials say. The accident took place where the Bosphorus meets the Black Sea. A large air, sea and underwater rescue operation is now under way with many bodies being pulled from the water. The nationality of the migrants is not clear. Media reports say that it is unusual for a vessel carrying migrants to be in this area.