ADAMS, Mass. — An local man threatened to blow up Rite Aide Pharmacy on Saturday if technicians refused to give him narcotics, said police.

Thomas Lee Deherrera, 23, of East Street was arrested and charged with stealing the prescription drugs oxycodone and fentanyl from the Columbia Street pharmacy.

Deherrera allegedly threatened store employees at about 3 p.m. on Saturday; he reportedly had a towel over his face and was wearing blue gloves. He handed pharmacy technicians a note saying he would blow up the pharmacy if he was not given the drugs, police said Monday.

Police called in a search dog from Williamstown but found no explosives. Deherrera was found and arrested while walking along the Hoosic River about a quarter of a mile away.

Deherrera was being held on $25,000 cash bail and was charged with unarmed robbery, larceny from a building, four counts of possession of oxycodone, a Class B substance, and three counts of possession of fentanyl, a Class A substance.