SURPRISE, AZ — Police are investigating after a man was shot and killed in Surprise on Friday night.

According to a Surprise police spokesperson, officers responded to an altercation between two people near Grand Avenue and Nash Street around 6:30 p.m.

Before officers arrived at the scene, multiple gunshots were reportedly fired.

Police say detectives learned through their investigation that a homeowner in the area, Michael Jaso, had arrived home in his vehicle with his family and found a man standing in their yard. The man, later identified as Nicholas Sagasta, reportedly began aggressively approaching Jaso as he got out of his car.

Police said Jaso kept backing away from Sagasta and even confronted him with a gun that he retrieved from his car, but police say Sagasta continued to pursue. Jaso told the man to stop and leave his property, but according to police, Sagasta continued his aggressive behavior and approached Jaso again.

Officials say this is when Jaso discharged his gun and shot Sagasta multiple times. Sagasta was taken to an area hospital, where he was pronounced dead.

Police say an investigation is ongoing.

This is a developing story. Stay with ABC15 and abc15.com for updates as they become available.