Dissident republicans have been blamed for a car bomb attack at a court in Co Down.
Police said it was a "miracle" no one was injured in the explosion outside Newry Courthouse.
The main gates were badly damaged in the blast, which was within walking distance of restaurants and bars.
Police were still evacuating the scene when the bomb detonated.
Two coded warnings were received at a local hospital and business around 30 minutes before the device went off.
The vehicle was reversed into the security gates of the court before being abandoned.
PSNI area commander Chief Inspector Sam Cordiner condemned those responsible.
Northern Ireland Secretary Shaun Woodward said: "This is an act of senseless violence by a small handful of people who refuse to accept the people's overwhelming support for the peace process.
"The best message that could be sent to them is a powerful rejection of violence through the completion of devolution."
The area remained cordoned off as Army bomb disposal experts checked for other devices.
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