PA O’Neill was the first senior Sinn Féin figure to take part in an official Remembrance Sunday ceremony A banner accusing Sinn Féin of being “traitors” has been put up at the office of the party’s deputy leader Michelle O’Neill. The banner was stuck to the office shutters after O’Neill laid a laurel wreath at the Cenotaph at Belfast City Hall on Sunday, becoming the first senior Sinn Féin figure