Raw sewage, wastewater and toilet paper “flowing onto roads and people’s property” in Derrybeg has been branded “utterly unacceptable” after a night of foul flooding in the area. Newry Sinn Féin councillor Aidan Mathers said he was “deeply concerned” by the incident, which saw residents’ homes and gardens contaminated after heavy rainfall overwhelmed the system. “As soon as I became aware of this revolting flooding, I contacted NI Water to reque…