The Iowa City Police Department identified both people found dead Monday as two Iowa City men, and although both cases remain open, police say they don't suspect criminal circumstances led to the deaths.

Jonathan Guerrero, 26, was found in Ralston Creek off of Gilbert Street and Eric Riskedahl, 45, was found under the Highway 6 bridge over Iowa River, according to a news release.

Police say they don't think the incidents are related.

"It was a rare coincidence," said Iowa City Police Sgt. Derek Frank.

Guerrero was located around 6:45 a.m. after a homeless person told an officer about a body in Ralston Creek. His body was near the Gilbert Street bridge, about a block south of the Robert A. Lee Recreation Center.

Hours later, Riskedahl was located at around 2:45 p.m. under the Highway 6 bridge over Iowa River.

Frank said it's not clear why Guerrero was in Ralston Creek, and Riskedahl may have been living under the Highway 6 bridge as he was found in a makeshift campsite.

Johnson County Medical Examiner Administrative Director Clayton Schuneman said the cases are very different.

Since completing both autopsies Tuesday, he said it will be weeks before results are processed. He added that at this time there's no concern the men died under suspicious circumstances.

He said outside of the fact the men were both found underneath bridges in one day, it's not uncommon to have two bodies found in one day.

According to the director, the medical examiner department recorded an average of 2.1 deaths per day from unnatural causes in 2018.

He said the department investigates cases where people die from unnatural diseases in the hospital or people who are found deceased in the community.

The Iowa City Police Department is asking the public to come forward with any information about Guerrero and Riskedahl and where they were on or around June 30.

Reach Hillary Ojeda at 319-339-7345, hojeda@press-citizen.com or follow her on Twitter at @hillarymojeda