A man is in a serious condition in hospital after being shot in the abdomen in Banbridge on Friday night.
Police said the man, who is in his 40s, was shot in a car park on the Rathfriland Road. It was reported to police shortly after 20:00 BST.
Another man, also in his 40s, was arrested after the shooting and remains in custody.
A silver Citroen vehicle was driven away from the scene southbound on the A1 dual carriageway after the shooting.
Police are investigating a possible link to a vehicle that was reported on fire 20 minutes later in the Drone Hill Road area of Corbet.
The ambulance service said it received a call to attend the Tullyear Close area of Banbridge shortly after 20:05 on Friday.
After initial treatment at the scene one person was taken by ambulance to Belfast’s Royal Victoria Hospital.
Banbridge community ‘shocked’
The MP for Upper Bann, Carla Lockhart, appealed for anyone with any information about the shooting to contact the police.
“It’s very important that we give time and space for investigations to continue,” she added.
Alliance Upper Bann MLA Eoin Tennyson said people in the town had been “shocked” by the shooting and that those behind it did not represent the local community.
“I utterly condemn this sickening attack, as will any right-thinking individual,” Mr Tennyson said.
“There is no place for guns on our streets and the culprits need taken off our streets.”
A number of roads, including the off-slip and on-slip to the A1 dual carriageway at the flyover and the Drone Hill Road in Corbett, were closed.
Police cordons were in place overnight.