The talk was to be held at the Dutch second World War Nazi transit camp in Westerbork. Photograph: Koen Suyk/AFP via Getty Images A talk on genocide by a Yazidi refugee at the Netherlands’ most poignant second World War commemorative location – the Westerbork transit camp used to transfer Jews to Nazi concentration camps – has been cancelled due to threats which are being taken seriously. The Yazidis are a religious group indigenous to Kurdistan who came under attack from Islamic State in the mountains of northwest Iraq in 2014. The UN described the assault as “genocide”, saying the once...