Amnesty International UK has urged the Metropolitan Police against mass arresting peaceful demonstrators expressing support for the recently banned group, Palestine Action, ahead of a major protest planned in London on Saturday. The protest organized by the activist group, Defend Our Juries, is expected to draw hundreds.

In the UK, hundreds have been arrested by London police for protesting the British government’s decision to ban the group Palestine Action under anti-terrorism laws. The group, which opposes weapons sales to Israel,

The Metropolitan Police said the number of arrests was the largest made by the force on a single day in the last decade.

Police arrested 466 people in central London on Saturday for protesting the British government’s decision to ban the pro-Palestinian activist group Palestine Action under anti-terrorism laws.

Police arrested 466 supporters of Palestine Action at a protest outside Parliament on Saturday. Defend Our Juries, which organised the central London event, said between 600 and 700 supporters gathered in Parliament Square on Saturday afternoon.