A Pembroke Public Schools bus apparently caught fire with students on board while on Route 3 North, north of Exit 5 in Plymouth, State Police said. No injuries were reported.
State Police said smoke was detected on the bus, but they were unsure why, said Lieutenant Daniel G. Richard, a State Police spokesman.
A second school bus was requested to take the children to their final destinations.
State Police and the Plymouth Fire Department are currently investigating.
No further information was immediately available. Lauren Dezenski can be reached at firstname.lastname@example.org