A vigil for the more than 100 people who remain unaccounted for after being kidnapped by Hamas in October has taken place in central London. Tuesday’s event, which was organised by groups including the Board of Deputies of British Jews and the Jewish Leadership Council, was addressed by family members of the hostages and Jewish religious figures. Six months have passed since 1,200 people were killed and about 250 people taken hostage by Hamas, a proscribed terrorist group, on 7 October – the largest loss of Jewish life in a single day since the Holocaust. About 129 hostages remain unaccounted...