It happened in the area of Hampton Way and Thesta Street near Ashlan and Fresno Street just before 7 p.m.
Officers say they have detained the victim's neighbor, a man in his 20s, as a possible suspect. Police said the victim and his neighbor had several arguments during the week.
The victim, a man in his 50s, has not been identified.
This is a developing story. Stay with Action News for updates.