HAVANA: Cuba struggled on Tuesday to restore power after its national grid collapsed the day before, leaving millions still without electricity across the Caribbean island nation. Authorities have yet to fully explain the cause of the Monday blackout — the third to affect the country this year — which left an already exhausted population of nearly 10 million people in the dark overnight.

Cuba's national power grid collapsed on Monday, triggering a nationwide blackout that left around 10 million people without electricity and deepened the island's ongoing energy…

HAVANA, Cuba (AP) – An island-wide blackout hit Cuba on Monday as fuel reserves dwindle and its electric grid continues to crumble.The blackout in the country of 10 million people…