KENYA – The death toll from a migrant boat disaster off Djibouti this week has risen to 24, the UN’s migration agency said, highlighting a sharp increase in the number of people returning from Yemen to the Horn of Africa nation this year. The capsize on Monday was the second fatal maritime accident in two weeks off Djibouti, which lies on the perilous so-called Eastern Migration Route from Africa to the Arabian Peninsula.At least 24 people died and 20 remain missing after the boat carrying at least 77 migrants including children capsized near the town of Obock, the International…