Police were called at around 4.50pm on Saturday, January 21 to report an altercation involving parties known to each other on Watling Street, Radlett.
It was reported a man was seen with a knife during the incident.
Armed officers attended the scene and NPAS was deployed to assist with an area search.
A 56-year-old man was located on the High Street and subsequently arrested on suspicion of affray, common assault and possession of an offensive weapon.
Following a search, no weapons were recovered at the scene and no injuries were reported.
He has since been released on police bail while enquiries continue.
Witnesses or anyone with information about the incident is asked to report it online at herts.police.uk/report, speak to an operator in the Force Communications Room via the online web chat at herts.police.uk/contact or call the non-emergency number 101, quoting ISR 575 of 21 January.
Picture credit Graham Taylor