BUTLER, Pa. (KDKA) – Police are investigating the ‘serious incident’ that sent a 4-year-old boy to the hospital after he was found unresponsive at a Butler County swimming hole.

Butler City Police say it happened at Connoquenessing Creek Monday evening around 7:20 p.m.

READ MORE: Pittsburgh Police Investigating Shooting In Homewood

They say police, medics and the fire department responded to a swimming hole in the creek near Kaufman Drive. When they arrived, they found a 4-year-old boy unresponsive.

READ MORE: 'Unity In The Community' Event Held In Greensburg

According to police, the boy had apparently been playing in the water with his siblings when he got swept under by the current.

He was taken to the Butler Memorial Hospital, then flown to UPMC. Police say they haven’t received any updates on the child’s condition.

MORE NEWS: Community Liver Alliance Hosts 'Walk The Talk For Liver Health' 5K At Kennywood Park

Stay with KDKA for the latest on this developing story.