Police in the U.K. cracked down on pro-Palestinian protesters Saturday, arresting many members of a group recently outlawed under anti-terrorism

London's police force said on Saturday that officers had arrested 41 people who had expressed support for the banned group Palestine Action at a protest outside parliament.British lawmakers proscribed the group under anti-terrorism legislation earlier this month after some of its members broke into a Royal Air Force base and damaged planes in protest against Britain's support for Israel.

Seventy-one arrests have been made at protests across the UK against Palestine Action being proscribed a terror group, police have said. Forces in London, Cardiff and Manchester each made a number of arrests on suspicion of terrorism offences.