"Overall I was shocked, terrified and feared for my safety," Roisín Linnane told the Limerick Circuit Criminal Court.

Ronan Lupton SC, for Mr Guerin who is also a member of Fingal Council, said the man who made the threat had been in court along with a number of other people who also attended some of the defamation case.

The man, aged in his 40s, is being detained in the west of the country