Havana (AFP) – It’s the middle of the night in Havana, but Alejandro Benitez is just getting down to work. The power is back on for the first time in 15 hours, and Benitez, a fourth-year architecture student at the Universidad Tecnologica de la Habana, needs to get his assignment in fast before the electricity cuts out again. Desperate times call for desperate measures in crisis-hit Cuba, where a US fuel blockade — part of a pressure campaign which Havana fears will culminate in military intervention — has aggravated an energy crisis, leaving people without power for up to 20 hours a day.

