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 1,500 people gathered for the rally.Several protesters fell over in a crush while water was thrown at officers, with the most franti

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 1,500 people gathered for the rally.Several protesters fell over in a crush while water was thrown at officers, with the most frantic scenes unfolding on the western side of the park.