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.

Cuba's capital remains paralysed as the island braces for a fourth night of blackouts after Hurricane Oscar's landfall. Protests erupted in urban areas like Havana, with residents banging pots,