A man sustained grievous injuries after a transport coach he was working under fell on top of him, the police said.
Emergency responders were dispatched to Wesgħet il-Vittmi tal-Gwerra, Luqa, on Friday night upon being alerted to the accident.
The 25-year-old had been carrying out works under the coach when for some reason the vehicle rolled off its jack, crushing him beneath, the police said.
The victim was rushed to Mater Dei Hospital where he was certified to be in serious condition.
Police are investigating.