Two devastating shipwrecks off Italy’s southern coast have resulted in the deaths of at least 11 migrants and left 64 people missing, according to United Nations agencies. In the first tragedy, a boat carrying migrants from Turkey caught fire and overturned approximately 200 kilometres off the coast of Calabria. Survivors reported that the vessel had been at sea for eight days before the disaster struck. The Italian coastguard initiated a search-and-rescue operation following a mayday call from a French vessel in the vicinity. At least 12 survivors were rescued and taken to the port of Roccell…