Two motorcyclists are rushed to hospital with life-threatening injuries after crash on M25

By OLIVIA CHRISTIE, NEWS REPORTER Published: 01:38, 14 June 2026 | Updated: 01:47, 14 June 2026 Two motorcyclists have been rushed to hospital with life-threatening injuries following a crash on the M25.  A man in his 30s and a man in his 40s, who were both riding motorbikes, collided with each other on the junction 12 slip road at Chertsey at around 5.45pm on Saturday. The M25 clockwise carriageway was closed between junctions 11 and 12 for several hours while emergency services responded to the crash.  The slip road from the M25 junction 12 clockwise carriageway onto the M3 was still closed at 9.15pm on Saturday.  Surrey Police has launched an appeal for witnesses, CCTV and dashcam footage.  They are looking to trace the movements of the men prior to the collision - and would like to speak to anyone who saw a group of motorcycle riders on the M25 in the minutes beforehand. A spokesperson for the force said: 'We are appealing for witnesses following a serious collision in Chertsey. The M25 clockwise carriageway was closed between junctions 11 and 12 (pictured in file photo) for several hours while emergency services responded to the crash 'Officers were called to the M25 clockwise carriageway at 5.45pm this evening (Saturday, June 13) following a collision between the riders of two motorcycles. The collision occurred on the slip road at junction 12 leading to the M3. 'A man in his 30s and a man in his 40s, both riders of the motorcycles, sustained life threatening injuries and were taken to hospital by air ambulance. Their next of kin are aware. 'The M25 clockwise carriageway was closed between junction 11 and 12 for several hours whilst emergency services responded to this incident and has since reopened. 'The slip road from the M25 junction 12 clockwise carriageway onto the M3 remains closed at this time. 'We are asking anyone who may have witnessed the collision, or who may have CCTV, dashcam, or helmet cam footage that may have captured all or part of this incident, to get in touch. 'We are particularly interested in tracing the movements of the riders prior to the collision, and would like to speak to anyone who saw a group of motorcycle riders on the M25 in the minutes beforehand.' No comments have so far been submitted. Why not be the first to send us your thoughts, or debate this issue live on our message boards. By posting your comment you agree to our house rules. Do you want to automatically post your MailOnline comments to your Facebook Timeline? Your comment will be posted to MailOnline as usual. Do you want to automatically post your MailOnline comments to your Facebook Timeline? Your comment will be posted to MailOnline as usual We will automatically post your comment and a link to the news story to your Facebook timeline at the same time it is posted on MailOnline. To do this we will link your MailOnline account with your Facebook account. We’ll ask you to confirm this for your first post to Facebook. You can choose on each post whether you would like it to be posted to Facebook. Your details from Facebook will be used to provide you with tailored content, marketing and ads in line with our Privacy Policy.