The Normal People author has given her support to the banned group, the High Court heard.

No arrests were made under the Terrorism Act at the Belfast and Derry events, where activists held placards stating support for Palestine Action.

The PSNI stance in Belfast and Londonderry on Saturday contrasted with the Met Police in London where arrests were made at a similar protest.

Carolyn Gelenter was one of around 100 protesters who gathered in Tavistock Square Gardens, central London, on Saturday afternoon.

Police said she was arrested on suspicion of possession of an article that indicates support for a proscribed organisation.