LONDON: British police said Sunday that they arrested almost 900 people demonstrating in London against a ban on the group Palestine Action, which has been deemed a terrorist organization by the government. Almost 1,600 people have now been detained, many for silently holding signs supporting the group, since it was outlawed two months ago. Protesters say the ban on Palestine Action is an unwarranted curb on free speech and the right to protest.

More than 1,000 people have pledged to risk arrest in what is billed as the largest protest since group was proscribed

Protesters gathered in Parliament Square today to express solidarity with the banned terror group, despite police warnings that anyone attending the demonstration could face…