A 46-year-old man is in critical condition after allegedly trying to steal a woman's purse at the Cote-des-Neiges cemetary.
Police say when they arrived, the suspect was underneath the victim's car.
They say it appears he approached the 44-year-old woman's car on his bike and took her purse.
The woman then got into her car and chased after him.
Police say the man could be charged with theft and the woman may be charged with assault with a weapon.