3 children, woman killed in Pennsylvania farm tractor rollover crash

Three children and a woman were killed when an "older-model farm tractor" pulling a flatbed trailer went off an embankment in rural southern Pennsylvania Friday morning, according to state police. Several others were hurt.

Twelve people were in the flatbed trailer when it went off the road, over an embankment and rolled just after 11 a.m. in Lower Chanceford Township, state police said.

Three children and a woman were killed, state police said. They were not immediately identified.