A man has been seriously injured after he was struck by a 7.5 tonne lorry on the A413 on Sunday morning.
The accident happened at around 7.15am on the A413 Aylesbury Road in Great Missenden and involved a black lorry.
The 49-year-old man was rushed to the John Radcliffe Hospital in Oxford.
Police are appealing for witnesses. Call them on 101 or anonymously on 0800 555 111.