More than 100 people simultaneously unveiled placards with the same message "I oppose genocide. I support Palestine Action" in Westminster's Parliament Square.

Several protestors have been arrested in Westminster at demonstrations in support of the Palestine Action group

Updated at 4:16 p.m. Nearly a dozen University of Michigan students and alumni have been brought up on disciplinary charges for their participation in pro-Palestine protests over the last year – a move that has sparked concern for the right of free expression on campus and the over-policing of student protest movements.