Activists from a little-known, self-proclaimed civil resistance group called Take Back Power throw food -- purportedly apple crumble and custard -- at a display case containing Britain's priceless Crown Jewels in the Tower of London. London police say four people were arrested following the incident. Interested in licensing this video ? Get in touch 👉 http://u.afp.com/wvnD N.B.: AFP’s services and content are for professional use only