Michael Gove's adviser attended a meeting in 2010 where concerns about an alleged plot by Muslim hardliners to takeover some Birmingham schools were raised, the Independent says. Mr Gove said he was unaware of his department's Trojan Horse warnings.
A headteachers' union has warned it would be strongly against the idea of routine snap schools inspections.
Plans for no-notice Ofsted visits were put forward by Education Secretary Michael Gove in the Commons yesterday in the wake of investigations into allegations of a "Trojan Horse" plot by hard-line Muslims at a number of Birmingham schools.
Michael Gove's assertion that new rules could force schools to actively promote "British values" has sent the Twittersphere into a frenzy.
Five schools investigated in the wake of "Trojan Horse" claims will be put in special measures, while a sixth with remain under sanctions.