The incident occurred between 10pm and 10.30pm. The victim was with friends at Fleet Pond. A group of around eight youths wearing dark clothing and balaclavas approached and assaulted the 16-year-old.
Do you live in the vicinity of Fleet Pond or Old Cove Road? Did you see or hear anything suspicious around this time?
Do you have private CCTV or a Ring Doorbell that may have captured something? Or maybe you were driving in the area and have dashcam footage that might help our investigation.
If you can help, please get in touch by calling 101 and quoting reference 44200423226.
Police believe this incident may be linked to a series of robberies and serious assaults on young people in the Fleet and Farnborough areas over the last few days.
Each report states a group of between five to eight young men approached young victims, assaulted them and demand they hand over valuables.