A 41-year-old man from Marsascala was grievously injured on Saturday and another two suffered slight injuries in a traffic accident in Mtaħleb, limits of Rabat.
The police said the accident happened at 11.30am.
The Marsascala man was driving a VW Golf while the two other men, 22 and 24, were the driver and a passenger in a Renault Megane.
All three were taken to hospital by ambulance.