Martin McGuinness has quit politics due to a serious illness.br br The former deputy first minister and IRA leader has announced he will not stand in the upcoming Northern Ireland Assembly election. br br Martin McGuinness – a political career in pictures #PoliticsHour pic.twitter.comCIzv1Jmldg— #PoliticsHour (@politicsHour) January 19, 2017br br His resignation from his post over a failed green energy scheme that will end up costing the tax payer millions sparked the March election.br br Mr McGuinness, 66, has been ill for a number of weeks. br br He said he was no longer physically capable to fight the election.