Cyclists who may have witnessed a serious crash, which injured two drivers, are being sought by police.
At 9am on Saturday, a silver Vauxhall Insignia car was in collision with a blue Daf tipper lorry on the H7 Chaffron Way, Milton Keynes.
The 23-year-old driver of the Vauxhall Insignia sustained serious injuries and is now described as being in a stable condition.
The driver of the lorry sustained minor injuries.
Police are particularly interested in speaking to two cyclists who may have witnessed the collision
Anyone who witnessed the collision or may have seen either vehicle prior to the collision should contact the investigating officer, PC 2098 Stevens at the Roads Policing Department at Milton Keynes Police Station on 101, quoting URN 404 of 17/5.
If you don’t want to speak directly to the police you can contact the independent charity Crimestoppers anonymously on 0800 555 111 or online at crimestoppers-uk.org. No personal details are taken, information is not traced or recorded and you will not go to court.