School bus full of children runs off the road in Northampton County, Pennsylvania

WILLIAMS TOWNSHIP, Pennsylvania (WPVI) -- Half a dozen ambulances responded to a field in Williams Township, Northampton County Thursday afternoon when a school bus full of children ran off the road.

Pennsylvania State Troopers say it appears to be a case of brake failure.

About 30 students had been onboard.

Authorities did not say how many had been transported to the hospital, but that thankfully there were no serious injuries.