More than 40 people are feared to have drowned when a boat loaded with migrants ran into trouble after setting out from Libya.
UN officials said that after 15 hours at sea the vessel started taking on water.
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A merchant ship rescued nearly 80 of the passengers, but dozens lost their lives during what was described as a difficult and delicate operation.
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Among the missing is the mother of a baby who was brought ashore on the Italian island of Lampedusa.
source: BBC