A 44-year-old Detroit man was shot and killed and three others wounded during a party at a Royal Oak Township park early Sunday morning, according to Michigan State Police.

Troopers from the Metro Detroit Post said the shooting was reported at 1:45 a.m., Sunday, June 22.

In a post on the social media platform X, state police said no arrests have been made and no motives have been determined. Detectives were gathering evidence and conducting interviews on Sunday.

State police were alerted to the shooting from an open 911 call during which the dispatcher could hear banging sounds and screaming in the background. Additional 911 calls were received about a shooting at the park

When troopers arrived, they found the 44-year-old with a gunshot would to his head. They administered first aid and the victim was transported to a local hospital where he was pronounced dead.

There was a large crowd in the park from a party. Initially, they were not cooperative in leaving the crime scene, police said.

During the investigation, police learned of three additional victims being treated for gunshot wounds at three different local hospitals. They have been identified as a 33-year-old male from Detroit, a 15-year-old from Macomb and a 19-year-old from Detroit. The gender of the teens was not provided by police.

According to its website, there are three parks in the township: Civic Center Park, located between Ithaca and Majestic avenues; Mack-Rowe Park, located between Reimanville Avenue and Bethlawn Boulevard, and Grant Park, located off Cloverdale Avenue between Garden Lane and Westview Avenue. It’s not clear from the X post in which park the shooting occurred.

Troopers from Metro North, Metro South, and officers from Oak Park arrived and assisted with securing the scene.