Warnings for older people and motorists as temperatures set to plummet to -6C

The warning comes as Met Éireann has forecast that temperatures set to drop to -6C in some areas. Picture: Collins Photos

An advocacy group has warned that some older people may be afraid to turn on their heating due to high electricity costs as temperatures are set to plummet this week.

Met Éireann has forecast a very cold snap for the country with temperatures set to drop to as low as -6C in some areas.