Exclusive: Scholars, writers and artists risk arrest with message of support for proscribed group before next week’s appeal hearing

• UK politics live – latest updates

Sally Rooney, Greta Thunberg and Brian Eno have written to the court of appeal in support of Palestine Action before next week’s hearing to determine the lawfulness of the ban on the direct action protest group.

The letter, composed of only seven words – “We oppose genocide, we support Palestine Action” – is signed by more than 130 people and is the first time that prominent scholars, writers and activists have come together to defy the ban.