Heather Humphreys stands over comments about Paul Murphy despite threat of legal action

Presidential candidates Heather Humphreys, left, made the comments about Paul Murphy during a debate with Catherine Connolly.

Heather Humphreys has stood by comments she made about People Before Profit TD Paul Murphy, despite being threatened with defamation proceedings.

Ms Humphreys made the comments during a debate on RTÉ Radio on Sunday, referring to an incident in Jobstown in 2014 involving former Labour Party leader Joan Burton.