The incident was today (March 2) to approximately 13 hours to Florence Park, Off Rymans track.
Thames Valley’s police stopped a appeal to locate a man who can have vital information about assault.
Police said: “A white, in their 40s, around 6FT, BREACH BREDS CAPARIZE WAS A Buggy and had two dogs with him who flows of brightens.
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“We want to talk to them as we believed that they can have information you can have information about a Assault in Florence, just outside Lane Rymars, Oxford.
“The victim a 12-year-old boy has been screamed and pulled by his bike. While he was not hurt he was left shocked. Grace was able to make their way home for security.
“If you recognize this description, or if you think you can be the person described on 101 or go to online quote online: 43250101472.”