Officers acting on behalf of HMRC attended a commercial premises in Armagh city centre, where a number of items were seized.
An eyewitness reported seeing what they believed to be bags of cigarettes being removed from the property on Thomas Street.
A spokesperson for HMRC confirmed that officers were working in the Armagh area, but no further details have been released.
The incident occurred shortly before 11:30am today (Tuesday).
Author's summary: HMRC seizes items in Armagh city centre.