A man and a woman have been arrested in the Republic of Ireland on suspicion of being involved in radical Islamic terrorist activity, according to RTE.
The woman, from the UK, and the man, from Ireland, were detained in Waterford city around 10am on Thursday.
They are both aged in their 20s.
It is understood they are being held on suspicion of facilitating the transfer of money and information in relation to alleged international terrorist activity.
The pair were arrested under the Criminal Justice Terrorist Offences Act 2005.
Gardai said in a statement that the arrests were made as part of an ongoing intelligence-led operation into persons involved in suspected terrorism activity.
"As part of an ongoing intelligence led operation into persons involvement in suspected Terrorism activity, an operation was conducted by Gardai in Waterford City this morning, Thursday 27th April, 2017.
"Two persons were arrested on suspicion of having committed offences under the Criminal Justice Terrorist Offences Act, 2005. A male and female, both aged in their twenties were arrested.
"Both persons were taken to Waterford Garda Station and are detained under Section 4 of the Criminal Justice Act, 1984. "