40 performers take part in “oily cashmob” protest inside BP-sponsored British Museum Heightened museum security confiscate cardboard signs, bow ties, wigs and waistcoats – but performance goes ahead anyway Actor-vists spotlight shocking stats behind BP sponsorship of iconic museums Ahead of BP AGM, campaigners target government’s hefty hand-out to BP Yesterday, 40 performers from the … More Security crackdown fails to stop our “cashmob” in the British Museum