Pro-Palestine demonstrators are reportedly planning 'to flout terror laws en-masse' to overwhelm the police during a mass protest next weekend.
Protesters have been urged to turn up in towns and cities, including London, next Saturday and write on blank placards with marker pens their support for banned terror group Palestine Action.
The ban on Palestine Action means membership of or support for the direct action group is now a criminal offence punishable by up to 14 years in prison, under the Terrorism Act 2000.
Due to the ban, inviting or expressing support for the organisation - through chanting, clothing or displaying articles like flags, signs or logos - is a criminal offence.
A briefing document handed out to supporters, seen by The Telegraph, boasts that 'it would be practically and politically difficult for the state to respond to an action on this scale'.
