Two men were found shot to death early Sunday in south suburban Riverdale.

At 4:26 a.m., officers responded to a report from a neighbor of a shooting at an apartment in the 13900 block of South Indiana Avenue and found two men with fatal gunshot wounds, according to the Riverdale Police Department.

Vincent Martin, 61, and Marquil Carter, 25, were pronounced dead at the scene, according to police and the Cook County Medical Examiner’s Office. They men lived in the block and both of their deaths were ruled homicides.

The incident was not believed to be a random act of violence, police said.

Illinois State Police crime scene investigators processed the scene and Riverdale police and the South Suburban Major Crimes Task Force were investigating the incident, police said.

Anyone with information was asked to contact Riverdale police (708) 841-2203.