The Democratic Unionist Party MP Nigel Dodds is now conscious after earlier being injured during fighting in Belfast, his party colleague Nelson McCausland, a minister in the Northern Ireland Executive, has confirmed.
He is currently in hospital.
A man who treated Mr Dodds at the scene told the BBC:
I was standing right beside him listening to his conversation.
He grasped his head as he went down. He was knocked out cold. I put him in the recovery position and checked his airway. A crowd gathered and then the ambulance arrived and he was taken away by ambulance. I felt sorry for the fella.
He was unlucky because he was also hit by water cannon as I was trying to administer first aid and he got soaked.
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