London protests LIVE: Arrests begin as hundreds gather in Trafalgar Square for Palestine Action protest

“At previous events linked to this group we have seen coordinated attempts to disrupt police activity, including obstructing officers and, at times, verbal or physical abuse. Our officers are trained to deal with these situations proportionately and effectively, and we are confident we have the plans and resources in place to respond appropriately, including making arrests where necessary,” said Commander Claire Smart.