About 20,000 people attended a demonstration against antisemitism in London on Sunday, following a surge in attacks on Jews, the Board of Deputies of British Jews said. Jeers and booing were heard at the rally in Whitehall, opposite the Downing Street residence of the British prime minister, when Secretary of State for Work and Pensions Pat McFadden spoke. He told the crowd, “I feel your pain,” and assuring that he wanted to “fight against antisemitism.” One woman shouted at McFadden, the senior-most government representative at the rally: “Action, no more words.” About 20,000 people attended a demonstration against antisemitism in...