Emergency services are at the scene of a crash in Milton Keynes which is causing significant traffic jams.
The incident occurred on Standing Way near Bletchley, between the junctions for Fulmer Street and Watling Street.
It is understood to have involved the number 601 bus, and a silver Mercedes. The passengers on the bus have been transferred to another bus.
The road is believed to be closed, with queues stretching all the way back to Redmoor and the junction with Grafton Street.
The collision is also causing jams all the way up Fulmer Street as traffic moves away from the scene.