A man in his 20s has been arrested on suspicion of causing death by dangerous driving after a cyclist was killed while competing in a club time trial last week.
John Stewart, who was 72, was competing in the South Pennine Road Club evening 10-mile time trial on June 15 when he was struck from behind by a Mercedes van.
Mr Stewart, who was a co-founder of the club and still acted as vice president and time trial secretary, suffered fatal injuries and died at the scene.
Derbyshire Police have now arrested a 27-year-old man in connection with the incident, and are appealing for anyone with dashcam footage of the incident or the time leading up to it to come forward.
The crash took place on the A50 in Derbyshire near the turning for the A511 at around 7.50pm on Thursday, June 15.
Witnesses or anyone with information should call Sgt Scott Riley on 101, quoting reference 17000252819, or call Crimestoppers anonymously on 0800 555 111.