A 44-year-old woman from Mtarfa was grievously injured in an accident in St Julian’s on Saturday evening.
A 47-year-old man from Rabat was slightly injured.
The police said the woman was a passenger in a car involved in a collision with a vehicle driven by a 39-year-old woman from Sliema.
The accident happened in Triq Mikiel Anton Vassalli at 9pm.
Civil Protection personnel and a medical team from Mater Dei had to be called on site to assist the victims, who were then taken to Mater Dei Hospital by ambulance.
Police investigations are continuing.