Witnesses in Marlborough have reported a large police presence in the High Street.
A police car pulled up behind a car close to the Town Hall and blocked its path.
The witness said: "Police car blocked car quickly and then dragged two men out of the car, three police cars and one undercover."
Wiltshire police are yet to respond to the Gazette's request for information about the incident.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here