Gardai had to be called to get Carlow councillors out of the car park following their monthly meeting yesterday.
Its understood around 20 anti-water charge demonstrators blocked the exit as members tried to leave.
Some of the protesters had attended the meeting of Carlow County Council yesterday where members passed a motion calling for Irish Water to be abolished immediately.
Fianna Fail Councillor Fintan Phelan says he understands the public anger over the charges.
