CAIRO ? A migrant worker was burned to death in the Libyan capital, U.N. and government officials said Wednesday, the latest in abuses that migrants and refuges face in the conflict-stricken country. The Interior Ministry of the U.N.-supported government said three Libyans on Tuesday stormed a factory in the Tripoli neighborhood of Tajoura, where African migrants were working. The Libyans detained one the workers, a Nigerian, poured gasoline on him and set him on fire, the...