Two Clinton County preschoolers were found safe after being missing for about two hours Thursday, police said.

The brothers, ages 2 and 4, went missing about 2:30 p.m. from their family’s home in the 4300 block of 180th Street, rural Clinton. Rescuers from Clinton County Emergency Management were conducting a wide area ground search training class at Eagle Point Park in Clinton, about 5 miles away. Clinton and Jones county deputies attending the class responded immediately, along with additional deputies and a police dog.

The boys were found at 4:11 p.m. about a half-mile north of their home, which is near cornfields and wooded areas, Clinton County Sheriff Rick Lincoln said in a media release. The boys’ mother reported that they went outside to play. She couldn’t find them when she checked on them a short time later, police said.

The Clinton County Sheriff’s Office requested assistance from Clinton and Jones counties Emergency Management, Andover and Clinton fire departments; Whiteside County (Ill.) Sheriff’s Mounted Patrol; Emergency Management Agency – Community Emergency Response Team; Clinton County Communications Emergency K-9 Operations / Search and Rescue; and Jones County Conservation

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In addition, the team used “A Child is Missing,” based out of Florida, to make automated calls to neighboring residences to notify them of the two missing boys.