Temperatures plunge to -7.5C as another orange warning comes into effect

Snow covered trees line the road into Ballydesmond, Co Cork. Picture: Dan Linehan

A status orange low temperature and ice warning for 15 counties has come into effect, with yet more "extremely cold" conditions forecast. 

The warning, which applies to Carlow, Kildare, Kilkenny, Laois, Longford, Meath, Offaly, Westmeath, Cavan, Donegal, Monaghan, Galway, Leitrim, Roscommon, and Tipperary, remains in place until 8am on Friday morning.