Several areas across the country are already blanketed in snow - with more on the way. Met Eireann says the bitter cold is expected to persist through the rest of the working week. It has extended a nationwide Status Yellow low temperature and ice warning until midnight on Friday,

A new warning has been issued for four northern counties ahead of another Status Orange warning coming into effect on Wednesday evening

A fresh yellow warning for snow and ice has been issued for parts of Northern Ireland from Wednesday afternoon until Thursday morning. The warning is in place for counties Antrim, Londonderry, Fermanagh, and Tyrone from 16:00 GMT until 11:00 GMT.

Ireland in the grip of brutal cold snap as Met Eireann's weather warnings escalate – follow live breaking updates on snow, ice and travel chaos

A spokesperson for the PSNI said: "Please take extra care on the roads this morning especially on those which may not have been gritted. Clear your windscreen of ice before you set off and remember to slow down and increase the distance between you and the vehicle ahead."

The Met Office urges people to leave extra time to make required trips and plan routes carefully.

The Met Office has issued fresh weather warnings for ice after huge areas of the UK were hit by heavy snow. Parts of southern Scotland, the northeast, Yorkshire and East Anglia have been issued a yellow warning for ice that will run from 4pm Thursday to 10am on Friday.

There is the potential for disruption across Northern Ireland as snow descends across the country. The Met Office has forecast hail, sleet and snow showers across parts of Northern Ireland this evening which could bring disruption to travel.

The Met Office has issued another yellow weather warning for London after a night of snow and freezing temperatures.

Yellow alerts for snow, ice and fog have been issued for today, after snow and sleet caused disruption yesterday.