Police now believe a Saskatoon man died under suspicious conditions Sunday morning.

A 25-year-old man was found injured on the 1800 block of 20th Street W. around 10 a.m. CST that morning.

Police and ambulance workers tried to save the man's life but he died in hospital.

Officers surrounded the area and had taped off nearby alleys while investigation ongoing.

Pleasant Hill residents have voiced concern about the wave of crime in the neighbourhood this year.

Of the nine homicides that have taken place in Saskatoon this year, three took place within a one-week span in Pleasant Hill from late June to early July. Police responded by increasing their patrols in the area.

Saskatoon police's major crimes unit is investigating.

Anyone with information is asked to contact the Saskatoon Police Service at 306-975-8300 or Crime Stoppers at 1-800-222-8477.