Pressure mounted on him after it was revealed he received a drink drive ban four years ago.
He apologised for the incident but later strongly denied allegations that he tried to evade gardaí at the time and sought to have the Garda pulse record corrected.
Earlier today the Dáil voted down a proposal to have him address questions on the ban.
But tonight just before nine o'clock Taoiseach MIcheal Martin announced he was sacking him.
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