The outcome of that case will define whether Palestine Action remains banned. If the ban falls, then the 700 arrested so far are free - their cases would collapse. As for the group itself, it may feel emboldened - but would know that it could still be banned again if its actions cross the terrorism laws line.

Several protestors have been arrested in Westminster at demonstrations in support of the Palestine Action group

The government has said supporters of a "terrorist organisation will feel the full force of the law" after a protest in support of the proscribed group Palestine Action led to more than 500 arrests on Saturday.