Armed police, a helicopter and the police dog unit were deployed in Stevenage yesterday evening after there were reports of a man with a firearm in the area.
Officers were called to Shephall Way at around 5pm, and an extensive area search was carried out.
No weapons or anyone matching the man's description were located.
He was described as a white male in his 60s, with grey hair and a long beard, and was said to be wearing a dark green jacket with dark trousers.
There were no reports of any injuries in connection with the incident.
Officers are continuing to investigate. Anyone with information is asked to get in contact.
You can report information online at herts.police.uk/report, speak to an operator via our online web chat at herts.police.uk/contact or call the non-emergency number 101 quoting crime reference number quoting ISR 544 of 11/01.
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