A pipe bomb has exploded at the back of a property in Killyleagh, County Down.
The alert was raised after reports of a loud bang in the Osborne Drive area at 2300 BST on Sunday night.
Police said they found the remains of an exploded pipe bomb at the back of the property.
There were no reports of any injuries. There was minor damage to the area where the pipe bomb exploded. Police have appealed for information.