About 50 migrants are missing after a sailing boat was shipwrecked off the coast of Calabria in southern Italy overnight, the coastguard and the ANSA news agency reported on Monday. The coastguard, which did not put a figure on the number missing, said the search was continuing. ANSA reported the numbers on the basis of information from survivors. A nearby commercial vessel assisted the half-sunken boat and rescued 12 survivors and brought them on board, the coastguard reported. The survivors were then taken by the coastguard to Roccella Ionica on the southern coast. One of the survivors died …