Orthodox Jews hold anti-Israeli signs during a demonstration against violence in the Gaza strip outside Downing Street in LondonPro-Palestinian protesters carry sheets covered in red paint meant to represent casualties during a demonstration against violence in the Gaza strip outside Downing Street in LondonA protester wears face paint in the colours of the Palestinian flag during a demonstration against violence in the Gaza strip outside Downing Street in LondonPro-Palestinian protesters chant during a demonstration against violence in the Gaza strip outside Downing Street in London