Britain’s Prime Minister David Cameron attends after a service of rememberance for Labour MP Jo Cox who was shot and stabbed to death last week outside her constituency surgery, in Westminster, London

Britain’s Prime Minister David Cameron attends after a service of rememberance for Labour MP Jo Cox who was shot and stabbed to death last week outside her constituency surgery, in Westminster, London, June 20, 2016. REUTERS/Yui Mok/Pool – RTX2H7QA

Attention