Police in Yeovil have warned a masked suspect reportedly threatening people in the town with a knife that he or she faces arrest.
The alleged offender has been sighted on more than one occasion by members of the public wearing a mask from the teen slasher movie Scream and behaving in a threatening manner.
Police also confirmed they have been informed that a knife was brandished.
Yeovil PCSO Jessica Forsey, said: "We advise that the person responsible for this stops immediately.
"They should be aware that if they are caught, we will take action."
Anyone with any information about the incidents should call police on 101.