MADRID (Reuters) - Fifty-two people were rescued from a fire that engulfed a catamaran carrying tourists off the coast of northwestern Spain on Tuesday, authorities said.

Two passengers suffered serious burns and were taken by helicopter to a hospital in La Coruna, emergency services said on Twitter. A further three people received treatment for minor injuries after being rescued from the catamaran, which was near the town of O Grove at the time of the fire.

There was no immediate word on the nationalities of the injured.