A security alert is underway in the Woodview Park area of Tandragee.
It follows the discovery of a suspicious object just before 10.30 this morning.
Police say a small number of homes have been evacuated but no roads are currently closed.
Inspector Alwyn Peters said: "It follows the discovery of a suspicious device in the area at around 10:25am."
"We have a public safety operation in place, and a small number of homes have been evacuated. No roads have been closed at this time."
“I want to thank the community for their patience as we work to make the area safe."