LANCASTER, Pa. (AP) - Authorities say a 15-year-old Pennsylvania boy died in a manure pit when a piece of farm machinery he was driving overturned, trapping him.

Lancaster County Coroner Stephen Diamantoni says Jonas King of Leacock Township was operating a skid loader Saturday morning when it flipped into the pit on his family's farm, the Lancaster Intelligencer-Journal reports.

Police say the boy was completely submerged in the pit when emergency personnel arrived shortly before 11 a.m. It took rescue crews more than an hour to retrieve his body.

King was pronounced dead at the scene, and the corner says the cause was asphyxia.

The paper reports that six local residents have died since 1989 as a result of falling or jumping into manure pits, which store waste from farm animals.

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