Guelph Police say a 19-year-old man was arrested following a stabbing downtown early Monday.
At around 2 a.m., police said the victim was downtown when another man approached and asked to walk with him.
Police said the pair had walked a short distance while making small talk when the 19-year-old pulled a knife and stabbed the victim in the lower back.
A passerby reportedly called 911 and the victim was transported to Guelph General Hospital before being airlifted to a trauma centre in Hamilton.
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He has since been released to continue recovering at home.
The 19-year-old man has been charged with assault with a weapon, possessing a weapon for a dangerous purpose, uttering threats, and two counts of breaching probation.