Tens of thousands of people marched against antisemitism in London on Sunday, including former British Prime Minister Boris Johnson, a day after large crowds turned out for a pro-Palestinian protest. Johnson was joined on the march by UK Chief Rabbi Ephraim Mirvis and other high government officials to express solidarity with the Jewish community. According to organisers, it was the largest anti-antisemitism march in London in more than a century. Marchers held Israeli flags and Union Jacks, as well as banners reading “Never Again Is Now” and “Zero Tolerance for Antisemites.” Today in London, over 100,000 people are marching against...