The Psychiatric Nurses' Association (PNA) says the impact of a strike by 500 ambulance workers today will be severe.
They're due to walk off the job for 24 hours from 2pm as part of an ongoing row over union recognition.
It will be the second time they've staged industrial action, and have warned more strikes could follow.
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The US has destroyed an Iranian drone in the Gulf after what it called "hostile" action.
Donald Trump said the decision to shoot it down was taken after it came within 1,000 yards of an American ship.
Iran's foreign minister has denied having information about the incident.
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A man is continuing to be held in connection with a massive drugs seizure worth €2 million at Rosslare port yesterday.
The suspected cocaine was found as it was being taken off a ferry.
It was seized by Customs officers and the gardaí, and a man in his 40s was arrested at the scene.
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The number of construction accidents has fallen by 40% this year.
The Health and Safety Authority says there were 166 accidents, including two deaths, in the first six months of 2019.
This compares to 271, including three fatalities, in the same period last year.
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A rainfall warning is in effect for the entire country.
Met Éireann says there'll be heavy thundery downpours, leading to high levels of rainfall and localised spot flooding.
The warning's valid until 3am on Saturday morning.