Sinn Fein Vice-President Michelle O'Neill is currently recovering from a broken leg.
A Sinn Fein spokesperson told the BBC that the party's leader in Northern Ireland had sustained the injury in an accident.
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The Mid Ulster MLA is understood to be recovering well after surgery.
Mrs O'Neill attended the annual Belfast Pride parade on Saturday and spoke at an event later that day.
However she was not in attendance at a republican hunger strike commemoration in Co Down on Sunday.