Two British golfers were killed in Spain after a speedboat being towed by suspected drug traffickers slid off its trailer and smashed into the car behind.

Police confirmed the three occupants of a car hit near La Manga in southeastern Spain were all British citizens, including one who survived the high-speed crash and is now in serious condition in hospital.

The three men, aged between 47 and 54 and who have not yet been named, were travelling in a SEAT Leon had its roof crushed by the 32ft-long boat.

Guardia Civil investigators believe the victims were on holiday and heading to play a round of golf in the La Manga resort, as they had passports and golf clubs in the back of the car, Spanish outlet El Español reported.

The two British passengers were believed to have been killed instantly by the impact of the boat, while the driver was pulled from the wreckage and taken to hospital by ambulance.