A man was found dead near a south-side road Sunday morning. 

Deputies from the Pima County Sheriff's Department and crews from Rural/Metro Fire found the man on the east side of South Nogales Highway, near East Lumber Street, when they responded to a call of a man down around 7 a.m., Deputy Tracy Suitt, a sheriff's department spokesman said in a news release. 

Detectives believe the man was a victim of a homicide because of "obvious signs of trauma" found to his body, the release said. 

No other information was immediately available.