TORONTO -- A man has been charged with second-degree murder after an altercation in the city’s west end on Saturday morning left another man dead.

Toronto police told CP24 that one man approached another man at a CIBC ATM near Dufferin and Bloor streets at around 4 a.m. and attempted to rob him.

Police say a verbal altercation broke out between the two men.

At some point, the victim of the attempted robbery attacked the man who was trying to steal from him.

The man who was attacked was knocked unconscious and was later taken to hospital in critical condition, police say. He died in hospital on Sunday.

The other man, identified by police as 30-year-old Marlon Davis, was taken into custody and initially charged with aggravated assault.

Police say the charge has been upgraded to second-degree murder.

Davis is scheduled to appear in court at Old City Hall on Sunday.

Anyone with information is asked to contact police or Crime Stoppers.