The company is apologising.
Three Ireland can't say when it will be able to restore internet and phone connections after a major outage on its network today.
It's apologising to customers after being bombarded with complaints on social media from all over the country since lunchtime.
The company says its engineers are working to restore full service as soon as possible.
Customers in Portlaoise, Naas and Galway are among those reporting problems.
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