The U.N. immigration agency reports that a boat carrying African migrants that capsized off Yemen's coast has killed 56 and left 132 missing, revising casualty figures released earlier

The death toll from a migrant boat disaster off Yemen has climbed to 96, underscoring the growing human cost of perilous journeys across the Red Sea.

At least 76 people have been killed and dozens are missing after a boat carrying mostly Ethiopian migrants sank off Yemen in the latest tragedy on the perilous sea route, officials said.