An incident at his school when he was a teenager, which the court heard was a chlorine attack on an assembly, had only involved a test tube and no-one was hurt, Mr Railton said.

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The attack was later criticised by the Rangers Supporters Assembly, the umbrella organisation representing fans groups across the world.

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Ulster Unionist assembly member Rev Robert Coulter condemned the attack.

BBC: NEWS | UK | Northern Ireland | Church attack 'linked to parade'

In a speech to the North Atlantic Assembly in Edinburgh, Mr Blair continued his attack of the past 24 hours on the SNP.

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Regarding the second complaint, referring to Mr McCrea's comments about a possible assembly commission consultation over the union flag, the committee considered Mr McCrea guilty of a public attack on party policy and consequently of a further act of indiscipline.

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