Cuba's electrical grid collapsed Sunday for the fourth time in 48 hours, a major setback in the efforts to restore power to exhausted residents.

Cuba has had four electric grid collapses since Friday, and most of the country remains in the dark as slow progress is made to restore power.

MIAMI (AP) — Hurricane Oscar has made landfall in eastern Cuba, an island beleaguered by a massive power outage, after striking the southeastern Bahamas earlier in the day Sunday, the U.S. National Hurricane Center said.