Read the first 4 that come under section 12, somebody organised it, some invited support for a proscribed organisation, some recklessly supported it and some arranged it.
Update on demonstration in support of Palestine Action
The total included 857 people arrested under Section 13 of the Terrorism Act 2000.
In total, 857 people were arrested under Section 13 of the Terrorism Act 2000 (TACT) for showing support for Palestine Action and 33 people were arrested for other offences, including 17 for assaults on police officers.
I have been through all this with motorbiking a few weeks ago when the sit down protest was being discussed. He spent pages trying to convince everyone that you could get 14 years for wearing a T-shirt with the wording "I support PA". Until I had a quick glance at the legislation, and pointed out that he was reading the wrong section.

