Excerpt:
Teachers are reluctant to discuss the September 11 attacks on America because they fear it will provoke racism and Islamaphobia in class, according to a survey.
Those in schools with high numbers of Muslim children are particularly concerned about talking about the atrocity - despite it being arguably the defining event of the 21st century so far.
Alison Kitson, faculty director at the Institute of Education at London University, which carried out the survey, said teachers should "grasp the nettle" and tackle the subject. They should credit children with more maturity, she said.