The repeated failure of the power grid and a hurricane that has swamped the island’s eastern end has many Cubans fed up, posing a challenge to the Communist government.

Seventy percent of Cuba's population now has power, four days after a nationwide blackout triggered by the collapse of the island's largest power plant, and as the country recovers from Hurricane Oscar,

Electricity outages have paralyzed an already-crippled economy, leading to shortages of everything from cash to running water.

Many Cubans waited in anguish late Sunday as electricity on much of the island had yet to be restored days after an island-wide blackout. Their concerns were heightened as Hurricane Oscar slammed into Cuba’s eastern coast,

Havana was partially illuminated Monday night after the large-scale blackout generated protests and a stern government warning against any unrest.

Millions remain without power in Cuba for a third consecutive day as slow progress is made in restoring electricity following three major grid failures.

Hurricane Oscar’s arrival to eastern Cuba Sunday impacted millions of residents already facing days without power, after fresh attempts to restore much of the nation’s electric grid failed. In the capital city of Havana early Monday,

President Miguel Díaz-Canel urged calm and warned against vandalism from citizens angry at the loss of power over three days so far.

Cuba's electrical grid collapsed again on Sunday, the fourth such failure in 48 hours, with a hurricane making landfall to compound the island's misery and threaten further havoc on its decrepit infrastructure.