City police are investigating a homicide in which a 76-year-old man was found dead.

Investigators said Robert Bonnell was found dead inside his home in the 3800 block of 6th Avenue North on Monday. A roommate made the discovery, police said.

"Initially it was considered an unattended death due to no obvious signs of trauma," police said in a news release issued Wednesday.

"Upon further investigation, detectives suspect foul play and are treating it as a homicide," the news release said.

Anyone with information is asked to call 727-893-7780.