Met Éireann is warning motorists of hazardous driving conditions this morning.
A Status Yellow ice warning for the whole country is in place until midday.
Met Éireann is warning of hazardous travelling conditions with icy stretches on roads and footpaths.
It says freezing rain is possible in the southwest, along with freezing fog patches.
Alan O'Reilly from Carlow Weather says temperatures dipped below minus three in some areas overnight:
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