ICERAS

NAIROBI, Kenya — As fighting raged across the Tigray region of northern Ethiopia last month, a group of soldiers arrived one day at Hitsats, a small hamlet ringed by scrubby hills that was home to a sprawling refugee camp of 25,000 people.

The refugees had come from Eritrea, whose border lies 30 miles away, part of a vast exodus in recent years led by desperate youth fleeing the tyrannical rule of their leader, one of Africa’s longest-ruling autocrats. In Ethiopia, Eritrea’s longtime adversary, they readmore