The Police were called to an incident at around 7.30pm last night at Triq Tal-Ghasri at Ghasri, Gozo.
Preliminary investigation showed that for reasons yet unknown, there had been a collision between an Isuzu NPR, driven by a 53-year-old Xaghra man and a Suzuki 80 motorbike driven by a 73-year-old Ghasri man.
The biker was immediately taken to the Gozo General Hospital, where he was certified to be in a critical condition.
The duty Magistrate was informed and has appointed various experts to assist him in the inquiry.