Police were called to a house in Park St about 1pm yesterday where it was reported that a firearm had been discharged.
In a statement, Inspector Jon Bissef said officers arrived to find a man with gunshot wounds.
He was transported to hospital where he is reported to be in a serious but stable condition.
"Police along with the armed offenders squad attended, cordons were put in place and nearby schools were put into lockdown temporarily as a precaution."