Deadly shipwrecks often occur in the Aegean Sea, which is one of the main maritime routes to Europe, but they generally involve migrant boats sinking in stormy weather.
At least 15 people died after a rare collision between a speedboat carrying migrants and a Greek Coast Guard vessel off the island of Chios in the eastern Aegean Sea, the authorities said on Wednesday.
The episode was considered highly unusual becaus... [952 chars]