Police are appealing for witnesses and information following an incident at the King George V playing fields in Watford.
It was reported that a man and a woman aged in their 50s were out walking their dog when they were involved in a verbal altercation with an unknown group of people, at around 6.10pm on Friday 24 June.
The woman was then physically assaulted by a female, sustaining ABH level injuries.
The man was subjected to racial abuse and a common assault, by being barged into several times by a teenage boy; he was uninjured.
The teenage male and woman are described black – the teenager was aged in his late teens and the female believed to be aged in her 40s or 50s.
PC Anthony Muller, who is investigating, said: “Enquiries have been carried out to try and trace those involved and these are continuing at this time.
“As part of the investigation, I am appealing for independent witness accounts and would ask anyone who saw the incident to please come forward.” Anyone with information is asked to please email firstname.lastname@example.org
Information can also be reported online at the Hertfordshire Constabulary website, speak to an operator in the Force Communications Room via the online web chat or by calling the non-emergency number 101, quoting crime reference 41/50341/22.
Alternatively, you can stay 100% anonymous by contacting the independent charity Crimestoppers on 0800 555 111 or via their untraceable online form.