A hurricane was approaching Cuba Sunday as the island nation's authorities struggled to restore power following a massive nationwide outage. The expected arrival of Hurricane Oscar, just days after the failure of Cuba's largest power plant crippled the national grid,

Millions of Cubans remained without power for a third day in a row after fresh attempts to restore electricity failed overnight. The Cuban Electrical Union said just 16 percent of the country had had power restored when the aging energy grid again overloaded late Saturday (local time).

Hurricane Oscar made landfall early on Sunday in the south-eastern Bahamas and was heading towards Cuba, an island recently hit by a massive power outage. The National Hurricane Centre in Miami said the storm's centre arrived on Great Inagua island.