Two boats of African migrants sank off the Yemeni coast due to strong winds and, perhaps, a tidal wave. At least 40 of them drowned, but as many are missing in another shipwreck and it is feared that for them too we must speak of yet another tragedy of the sea. This was announced by the Yemeni interior ministry with a statement in which it speaks of a first boat wrecked near the coast, in the province of Taez, in which there were a group of Ethiopians.