The leader of an Islamic State-backed faction of Boko Haram may have been replaced, sources say, against a backdrop of speculation as to his fate — and the group’s future direction.

The foreign ministers of Libya’s neighbors stressed on Tuesday that the political solution remains the only way to resolve the country’s crisis.

Iraqi security forces killed five suicide attackers northwest of the northern Iraqi city of Mosul Feb. 20. A car bomb in central Mosul killed one civilian and wounded 13 others Feb. 28, just the latest in many recent incidents that have also hit the southern and western parts of the …