Organisers estimated 1,500 gathered in Parliament Square in central London on Saturday. A woman is led away by police officers as people take part in a Lift the Ban on Palestine Action protest organised by Defend our Juries (Jeff Moore/PA) PA Wire Ellie Ng 2 minutes ago Tensions have started to flare at a central London demonstration in support of banned group Palestine Action as police arrested protesters to chants of “shame on you” and “you’re supporting genocide”. Officers forced their way through crowds carrying arrested protesters and had screaming arguments with demonstrators in Parliament Square – where organisers estimated...