The incident is alleged to have taken place on Friday afternoon, with a large police presence and cordon in place around the California Road area. The man was arrested on Monday and has now been released under investigation, officers confirmed to The Hunts Post. A spokesman for Cambridgeshire police said: Reports of a serious assault in California Road were investigated at around 1.30pm. Anyone with information about the alleged incident is asked to call police on 101. Alternatively, report anonymously by calling Crimestoppers on 0800 555 111 or visit www.crimestoppers-uk.org.