Six men and two women have died in a crash involving a minibus and two lorries on the M1 near Milton Keynes.
All of those who died were travelling in the minibus, which was from the Nottingham area.
The collision occured in the southbound lane of the M1 motorway, near Newport Pagnell, 50 miles northwest of London.
A five-year-old girl, a woman and a man are being treated in hospital with life-threatening injuries, while another woman has serious injuries.
Police have arrested the two lorry drivers, one of them on suspicion of driving while over the alcohol limit.
Both men are being questioned on suspicion of causing death by dangerous driving and are in police custody.