Continuous downpour in parts of Bangor, Antrim, Lisburn and Dundonald has prompted the civic authorities to issue new flood warnings on Thursday. Yesterday’s heavy rains caused disruption in traffic on several main thoroughfares, including the Ormeau Road which was virtually impassable with water flowing down the street, leaving vehicles partially underwater. Police have warned motorists planning to travel north-east to take extreme caution, as the region is expected to be…