A young man is in danger of loss of life after falling a height of one storey at about 8 a.m. at a construction site in Triq it-Tiġrija, Nadur, the police said.
Preliminary investigations found that the victim, 26, who lives in Xewkija, was working on a ladder when he fell.
The young man was conveyed to Gozo General Hospital by ambulance, where he was certified to be in a critical condition.
Further investigations are underway while several experts have been appointed to assist with a magisterial inquiry.