A viable pipe bomb has been found in Co Tyrone.
A number of homes were evacuated during the alert at Springhill Park, Strabane.
The area was sealed off for several hours while Army bomb disposal experts examined the scene.
In a statement the PSNI said: "ATO examined a suspicious object discovered in the area and have declared it to be a viable pipe bomb type device."
Residents have been allowed to return to their homes and the area has re-opened to traffic.