Gwent Police arrested a man after a bomb disposal team was called to a street in Blaenavon.
Officers searched a property at Trem-y-Mynydd on Wednesday evening (April 7) and a 54-year-old was taken into custody on suspicion of offences under the Explosives Act.
The road had to be cordoned off and the army's explosive ordinance disposal unit was also called to the scene.
A spokesperson for Gwent Police said: "Officers carried out a search warrant of an address in Trem-Y-Mynydd, Blaenavon, at around 5.50pm on Wednesday, April 7."
They added: "A 54-year-old man from the Blaenavon area was arrested on suspicion of offences under the Explosives Act. He remains in police custody and is assisting officers with their enquiries.
"Specialist trained personnel from the army’s explosive ordnance disposal unit (EOD) attended as a precaution.
"There is no ongoing risk posed to members of the community and this is not thought to be linked to terrorism.”
