A 65-year-old woman from Zabbar is in a critical condition after the Maruti Omni she was passenger in crashed with a Volkswagen Polo at 4pm.
The Maruti was being driven by a 65-year-old man and the Polo by an 18-year-old man. Both men are also from Zabbar.
The Polo was being driven along Labour Road, Zabbar, towards Cospicua and the Maruti was in a side street.
An inquiry is being held. The road is closed to traffic.