An alleged plot to oust some Birmingham head teachers and make their schools adhere to more Islamic principles is being investigated, it has emerged. <br />A letter detailing the plan, known as "Operation Trojan Horse", claims responsibility for leadership changes at four schools. <br /> Fifteen schools in Birmingham are being inspected as a result of allegations of an "Islamic takeover plot", the Department for Education has said. <br />Anonymous claims that hard-line Muslims were trying to take over the running of some city schools were made in a letter sent to local authorities last year. <br />Ofsted inspectors have so far visited 12 schools in the city. <br />The Department for Education said it would take firm action where standards were not being met.
