A Għargħur man was grievously injured in a three-man altercation at a block of apartments in St Paul's Bay overnight.
Police were called to the scene at Triq it-Turisti at around 2am, where they discovered the 46-year-old, a 50-year-old Englishman and 19-year-old Għargħur youth.
Investigators seized a screwdriver they found on the scene.
An ambulance rushed the 46-year-old to Mater Dei Hospital, where doctors certified his injuries as grievous. The 50-year-old Englishman received treatment for slight injuries at a nearby health centre.
Police say their investigations are ongoing.