Police in the North say dissident republicans are behind a suspected plot to murder officers in Craigavon.
A large bang was heard in the Tullgalley Road area late last night.
Shortly afterwards - it's claimed a device had been fired at a police patrol, but missed its target.
Police say they don't know if that's the case, or if it was planted there to target officers responding to those reports.
A viable device was found - and is still being examined by police and army bomb experts.
Local councillor Thomas Larkham said that its been terrifying for residents that were forced to evacuate.