"Police lured to the area"
Click for videoAssistant Chief Constable of West Yorkshire Police Graham Maxwell said on todays press conference the rioting was "criminal activity, pure and simple".

He described it as "a premeditated attack on police". He said officers had been lured to the area by reports of a petrol bomb attack, no evidence of which had been found. According to Maxwell, six people have been arrested. A full investigation is under way.