The death toll in a school collapse on the impoverished island of Haiti now stands at least 75.

Rescue crews working under the glare of floodlights dug through the rubble of a collapsed school in Haiti early today in a frantic search for students who may still be trapped in a disaster that has already killed at least 47 people.

Rebel fighters are converging on the Haitian capital Port-au-Prince and waiting for the order to attack, their leader said today.