A 24-year-old worker is in critical condition following a roof collapse in Naxxar this morning.
The police said the incident happened at a private residence in Triq Castro around 8.30am.
The man from Mali was injured while he was working on a residence still under construction. He is believed to have been using a jackhammer when the roof of the building crashed down. He was found on the ground by his fellow workers.
He was rushed to hospital in an ambulance where he was found to be in critical condition. Duty magistrate Charmaine Galea ordered an inquiry.
The police are investigating.