A three-car collision has closed one lane of the M1 southbound this afternoon.
Traffic is queuing between J14, A509 Milton Keynes and J13, A421 Bedford, while emergency services remain at the scene.
Fire crews from Broughton and Newport Pagnell arrived to help, but no-one was trapped. An injured woman and a girl had been released before they arrived.
Police and ambulance services remain at the scene.
Delays of up to 20 minutes are expected.