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.

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

Cubans experienced their second black out wave Saturday after government officials said they were working to restore electrical service to hospitals and crucial service centers after a grid failure on Friday.

Cuba's capital remains paralysed as the island braces for a fourth night of blackouts after Hurricane Oscar's landfall. Protests erupted in urban areas like Havana, with residents banging pots,

Cars drive on Havana's seafront boulevard Malecon as the country's electrical grid collapsed again on Sunday, according to Cuba's energy and mines ministry, in the latest setback to the government's efforts to restore power to the island,

Cuba said it was making headway restoring power on Sunday after multiple false starts, though millions of people remain without electricity more than two days after the grid's initial collapse. The clock was ticking as Hurricane Oscar bore down on the Caribbean island on Sunday,

Cuba's power-grid operator said it had restored electricity to most of the capital Havana on Monday even as Tropical Storm Oscar lashed the island's eastern end, downing trees and power lines.

Many Cubans waited in anguish and some took to the streets in protest as widespread blackouts stretched into their third day. Oscar later weakened to a tropical storm but its effects were forecast to linger in the island through Monday.