Peel Police are searching for a suspect, considered armed and dangerous, wanted in a string of violent car jackings.
19-year-old Chery Pierre is from Cambridge.
He is one of three suspects accused in a total of six car jackings in Peel, Halton and Waterloo regions.
Police say all of them took place between May 5th and May 10th.
On Tuesday, police executed search warrants in Waterloo and Cambridge and arrested two other suspects.
They allege that 19-year-old Irshad Sabriye and 18-year-old Ban Both were found in possession of handguns.
The two are facing robbery and weapons charges.
Police are asking anyone who sees Pierre, or has any information, to give them a call.