“….and I want to apologise ya know to any people or group of people that I’ve offended and you know like I feel, I feel terrible over it you know.”
Hours later on Rob and Marian’s twitter account, someone was adding journalist and anti-racism campaigner Una Kavanagh to a (now deleted) public list labelled ‘bad-press’.
Ms Kavanagh had a single interaction on Wednesday with the athletics champion when she questioned his Roma tweet.
His apology came a day after being contacted by a Sunday Times journalist.
In his front page story on Sunday, John Mooney wrote that Sport Against Racism Ireland (SARI) had said that Heffernan should not represent Ireland at any future athletics championships or the 2016 Rio Olympics.
Martin Collins, spokesman for Pavee Point described Heffernan’s comments as an incitement to hatred.