Guelph emergency services responded to a call near Wyndham Street North and Macdonell Street, where a woman was found unconscious on the sidewalk on August 31st at approximately 9:40am.
She was transported to the hospital with life-threatening injuries. The suspect had fled the scene before police arrived but was later identified and arrested on Sunday night.
A 34-year-old man from Guelph was initially charged with attempted murder and aggravated assault.
Three days later, the woman died in hospital as a result of her injuries.
Police announced on Wednesday, September 10th, that the suspect, who remains in custody, was formally charged with second-degree murder.
Police believe the two individuals had met before, though they were not well acquainted. Authorities have confirmed there is no ongoing threat to public safety.