From the BBC report
Police are investigating reports of an explosion in south Armagh.
It happened at about 1700 BST on Sunday Saturday between Belleek and Cullyhanna.
The explosion is believed to have happened at a bridge on Carrickrovaddy Road. At this stage, there are no reports of any injuries.
Update RTÉ report adds
A bomb has exploded on the Carrickavaddy Road, between Newtown Hamilton and Whitecross in south Armagh this evening.
It is believed it was a roadside bomb, placed in a culvert.
There are no reports of any injuries.