Cuba's capital was partially illuminated Monday night after a massive blackout that has generated a handful of protests and a stern government warning that any unrest will be punished.

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

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,