Industrial dispute sees mail service chaos in Republic
People in Northern Ireland are being warned not to send mail to the Republic because of an industrial dispute that has thrown the country's entire postal system into chaos.
Industrial action by 36 workers who look after essential sorting equipment has paralysed postal services in the South.
Disruption to business and government communications is already affecting individuals and companies across the island.
Spokesperson for An Post, Anna McHugh, said that the service was unable to accept items for postage if the sorting machines were not supervised.
"It's catastrophic for business - for our business and everyone else's business," she added.
Royal Mail has said its customers may experience delays in sending items to and receiving them from the Republic.
The Department of Social Protection said that contingency arrangements to deliver benefits cheques will be put in place if the dispute lasts into next week.
It is estimated that An Post processes some 2.5 million letters and parcels per day.