Police investigating an incident in Hemel Hempstead are appealing for witnesses and information.
It was reported that an altercation occurred between a man and a group of teenagers near KFC in Marlowes, at around 8pm on Monday September 27.
The incident then continued in Market Square a short time later.
It is alleged that threats were made during the incident and a metal pole was brandished.
Assistant Investigator Jayne Davidson said: “A man has been arrested in connection with the incident and our enquiries are continuing at this time. As part of this, we are appealing for witnesses to come forward to give us an independent account of what happened.
“Did you see the incident take place, or do you have any other information which may assist us? If so please get in touch.”
Anyone with information is asked to please email email@example.com
You can also report information online at herts.police.uk/report, speak to an operator in the Force Communications Room via online web chat at herts.police.uk/contact or call the non-emergency number 101, quoting crime reference 41/75631/21.
Alternatively, you can stay 100 per cent anonymous by contacting the independent charity Crimestoppers on 0800 555 111 or via their untraceable online form at crimestoppers-uk.org