At least 10 migrants from sub-Saharan Africa drowned Thursday and dozens more were missing after their boat sank in the Mediterranean offshore Libya, the coast guard said.

At least 10 migrants from sub-Saharan Africa drowned Thursday and dozens more were missing after their boat sank in the Mediterranean offshore Libya, the coast guard said.

Between 80 and 90 people were rescued after the boat went down in waters east of Tripoli, a coast guard officer said, adding that survivors said there had been up to 180 people on board.