Cuba’s national power grid has collapsed once again, leaving millions of people without electricity. The grid failed on Friday evening about 8:15pm (00:15 GMT) after a breakdown at Diezmero substation in the capital,

Millions of people in Cuba remained without power Saturday after a failure of the nation’s electric grid left the island in the dark the previous night.

Cuba's capital Havana plunged into darkness for a second night on Saturday as efforts to restore power proceeded in fits and starts, with setbacks slowing progress and leaving several million still without electricity across the island.