Under a UN-sponsored deal, warring parties in Yemen have agreed to remove troops from the key port city of Hodeidah. Peter Salisbury of the Belgium-based International Crisis Group says the war is complex, but explained some of the key parts of the conflict to The World.
Attempting to end a brutal four-year war, Yemeni leaders agreed on Wednesday to resume oil and gas exports and reopen the airport. But the port city of Hodeidah, a lifeline for millions of Yemenis facing starvation, remains fiercely contested.