Top Democrat warns Trump firing of Mueller could provoke 'constitutional crisis'

Mark Warner, the top Democrat on the US Senate Intelligence committee, says that if Donald Trump fires Special Counsel Robert Mueller, "it has the potential to provoke a constitutional crisis." Video: Reuters

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Ormond Quay police standoff

Gardaí were called in for a violent disturbance related to a dispute between groups regarding the occupancy of the building at a property on Ormond Quay.