Pockets of Cuba's capital Havana saw the lights flicker back on though vast areas of the city and country continued without electricity on Sunday morning, after a nationwide grid collapse that knocked out power to 10 million people.

HAVANA (Reuters) -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.

Havana plunged into darkness as Cuba's power grid collapsed, leaving millions without electricity. Efforts to restore power were hampered by setbacks, impacting vital services. Most Cubans endure prolonged blackouts amid economic strain.