Police have seized drugs in Dunstable’s New Woodfield Green following a clash between two men.
One witness claimed: “I was driving in Dunstable near Downside Supermarket by Hartwell Dunstable Ford and saw three police cars and a helicopter above about 12 noon.
“I think that one officer may have been armed!”
A Bedfordshire Police spokeswoman said: “We were called at approximately 11am today to reports of an altercation between two men, one of who is believed to have been in possession a knife, in New Woodfield Green, Dunstable.
“Officers attended but no knife was recovered, however a quantity of drugs were seized.
“Investigations are on-going and anyone with information, or anyone who witnesses any suspicious activity in the area is asked to contact police on 101.”