Matters came to a head, three separate sources said, last December when all the normal Christmas activity, including a tree, cards and the pantomime, was cancelled because it was considered un-Islamic, and the school’s Arabic teacher, Asif Khan, delivered an assembly “ridiculing” Christian beliefs. “It was like a rally,” said one person present. “He was leading them in chants of, 'Do we believe in Christmas? No! Do we give out Christmas cards? No! The seven days of Christmas, they [Christians] can’t even count!’