Hurricane Oscar’s arrival to eastern Cuba Sunday has exacerbated living conditions for millions of residents already facing days without power, as fresh attempts to restore much of the nation’s electric grid have failed.

Cuba's power grid has ground to a halt for a second time in as many days, leaving 10 million on the island without power and the Caribbean island in a growing sense of crisis.

A massive outage left millions of Cubans without power and prompted the government Friday to implement emergency measures to slash demand, including