A small bomb left inside an abandoned car exploded at a bus depot in Newry, Co Down this morning.
The explosion happened as fire crews were extinguishing a blaze in the vehicle. Police are investigating whether terrorists were behind the attack.
No-one was injured in the explosion but a number of buses suffered shrapnel and scorch damage.
Army technical officers who examined the scene discovered an explosive device inside.
Police say a car was seen speeding away from the Ulsterbus depot before the incident.
A senior police officer described the attack as "a reckless act".
