Dayton fire/rescue crews were dispatched just before 4:30 p.m. on a report of two people struggling in the water, he said, noting that neither of them was wearing a life vest or personal flotation device.
"From my understanding, he took on mouthfuls of water," the district chief said. "He was in what we call the pre-drowning mode. He was starting to swallow water, which starts the drowning process."
READ: Family escapes, kittens rescued in house fire
Wright urged people to wear life vests or use personal flotation devices whenever they are in any body of water.
A water rescue is underway for two people reported to be in Eastwood Lake at Eastwood MetroPark.
The dispatch was made about 4:20 p.m. Fire and medic units are on scene.
We have a crew on the way and we will update this developing report.
Stay with whio.com for breaking news.
Got a tip? Call our monitored 24-hour line, 937-259-2237, or send it to firstname.lastname@example.org