After a Tucson man was shot to death by police late Sunday night, an investigation is under way.

According to police, officers responded to a call from Oracle Road regarding an aggravated assault and an unarmed suspect at a house in 500 Block of Rillito Street.

“Officers found the residence and made announcements to the suspect for him to leave. The suspect eventually left, and officers began making announcements for him to leave. Tucson Police Department posted a tweet.

At the scene, the suspect was declared dead.

There have been no other injuries related to the shooting.

TPD stated that the Pima Regional Critical Incident Team is investigating the shooting. This team includes law enforcement officers who are responsible for reviewing officer-involved shootings.