Pro-Palestinian campaign group Palestine Action's co-founder on Friday lost a bid to pause the British government's decision to ban the group under anti-terrorism laws, with the group losing an urgent appeal meaning it will be banned from midnight.

More than 20 people have been arrested during a protest in London in support of Palestine Action, a group which has been banned under UK anti-terrorism laws

The protest group is now on the list of proscribed terrorist groups, making membership of, or support for, it a criminal offence punishable by up to 14 years in prison.