Doctors at Marshalltown Medical & Surgical Center were unable to revive a 14-year-old boy police found unresponsive on the bike path Friday night.
Marshalltown Police Chief Mike Tupper said a call came into the communication center at 9:41 p.m. Friday. A passerby said they had spotted an injured boy lying on the bike path near a railroad crossing bridge in the area of Nevada and 12th Avenue.
When first responders arrived, they could see no immediate injury, Tupper said.
"We have no evidence that a crime has occurred," Tupper said Saturday morning.
The boy was unresponsive, and paramedics transported him to Marshalltown Medical & Surgical Center where he later died in the emergency room.
Tupper said the boy had a history of significant medical problems that likely lead to his death, but was unaware why he was walking alone on the bike path at night.
"All indications are that this was a medical issue," he said.
Police have yet to release the boy's name or address, so whether he lived in the area where police found him was unavailable at press time.
Police will know more information once the autopsy is complete, Tupper said. The investigation will continue. The Marshall County Medical Examiner, Marshalltown Fire Department and Area Paramedic Services assisted the MPD with the call.