Maurice Ostro, founder patron of the Faiths Forum for London, has been engaged in interfaith work for decades. For much of that time, he said, he was teased by good-natured people who insisted there was little need for it in the UK.“People used to laugh at me for doing this work,” he said, but now, amid record-breaking incidents of antisemitism and anti-Muslim hatred, the jokes have stopped.Ostro was speaking before an interfaith walk in Regent’s Park that brought together about 50 people – including faith leaders and other members of the community – to celebrate St George’s Day.The group gathered...