Gardaí are investigating a threat made against Tánaiste Simon Harris and his family.
It has been reported that the threat was made on social media at the weekend.
Tánaiste and Fine Gael leader Mr Harris has received threats before, including through social media and a phoned bomb threat.
Protests have also been held outside his home, where his wife and children live.
Mr Harris has previously said he will not be deterred from doing his job.
Asked about the latest threat, a garda spokesperson said: “An Garda Síochána is currently investigating this matter.”
