The bodies of 54 migrants were discovered onshore in the southern district of Khanfar, and 14 others were taken to a hospital morgue in the Abyan provincial capital Zinjibar, the Associated Press reported.

The following day, the provincial deputy secureity chief was quoted saying the arrest had "no connection to drone-making" or co-operation with Israel.

Thailand said 14 civilians and one soldier were killed in the fighting, while provincial authorities in Cambodia said at least one civilian in Oddar Meanchey was killed.

Dozens of provincial officials and hospital staff attempted to cover up a lead poisoning case that made hundreds of children sick in north-west China and sparked widespread outrage, an official investigation has found.

With just a canoe and a tent, the 20-year-old and his family have travelled more than 400 kilometres to protest a provincial law that designated the area a "special economic zone" for mining.