A 45-year-old man was grievously injured in an accident at a construction site in Qormi on Thursday.
The police said the accident happened in Triq l-Industrija at 5.20pm.
The man, who is foreign, fell from a height of around two metres.
He was given first aid on site by a medical team and then taken to Mater Dei Hospital by ambulance.
The police are investigating.