Morning top 5: Weather warnings remain in place; Joe Biden awarded US Presidential Medal of Freedom

The top stories this Friday morning...

Nurses say they cannot continue working under current stress levels.

Tensions are rising amid a spike in the number of patients on trolleys - there have been more than 500 for the past three days in a row.

90% of the INMO nurses union has voted in favour of industrial action. Last night the organisation's discussions with health officials were adjourned pending the production of initial management proposals.

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Drivers and commuters are being warned to allow extra time for journeys today following sub-zero temperatures overnight.

Weather alerts for ice and snow remain in place across several counties in the West and north of the country.

Conditions are described as poor or dangerous in several areas.

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An Irish court case on whether Britain's exit from the EU could be reversed once it is triggered will be heard this month.

The lawyer behind the legal challenge - which has been crowdfunded - says it will be launched in Dublin by the end of January.

Lawyers for the British government have said once the process is started there's no going back, but some EU leaders disagree.

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Barack Obama has awarded Joe Biden the Presidential Medal of Freedom.

He made the announcement in a surprise and emotional ceremony at the White House last night.

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Famed economist T.K. Whitaker will be laid to rest in Dublin today.

Mourners at his removal yesterday heard he was a 'true public servant and a man of integrity'.

He died earlier this week at the age of 100.