The High Court in Belfast has since upheld the Northern Ireland Secretary's decision to block the march
Two Sinn Féin TDs are set to be questioned by police in the north today over a protest in Portadown earlier this month.
Pearse Doherty and Matt Carthy are due to attend interviews at Musgrave PSNI station in Belfast this afternoon.
The investigation relates to a demonstration at Garvaghy Road, where an Orange Order parade had been prevented from passing through the area.
The High Court in Belfast has since upheld the Northern Ireland Secretary's decision to block the march through the predominantly nationalist neighbourhood.

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