COLOMBO (News 1st): The National Water Supply and Drainage Board has announced a 24-hour water supply interruption in several parts of Colombo and its suburbs due to essential maintenance work at the Ambatale Water Treatment Plant aimed at improving the quality and reliability of water services. According to the Board, the interruption will be in effect from 8.00 p.m. on Thursday, September 3, 2026, until 8.00 p.m. on Friday, September...