NIAGARA FALLS N.Y. — A man is facing a first degree manslaughter charge in the stabbing death of a Niagara Falls resident.

William Swanson, 22, was arrested Saturday.

He's accused of stabbing Troy Haslip, 26, near an Ontario Avenue home around 1:30 Saturday morning. Police tell us an officer on patrol a block away found Haslip and tried to perform CPR.

Family members say the two men knew each other before the incident. Police are still searching for a motive.