Emma Fox, the report’s author, said: “These findings reveal an industrial-scale failure by universities to apply their Prevent duties.
"Many of the worst offending universities were warned by Prime Minister, David Cameron, to sort out their act but have instead played host to more speakers than ever before.
"Theresa May instituted rules on balanced panels that are now being wholly ignored.
"It is my view that these universities’ statements about extreme speakers have been wholly disingenuous and that their lack of action over these events is so severe that it amounts to a self-evident failure to uphold the Prevent duty.
"The individuals revealed to be speaking on UK campuses have included some of the most insidious hate preachers in the country.
"A significant number of the speakers, who spoke unopposed, have been linked to those who have gone on to commit terrorist offences and have made well-publicised extremist remarks. There should not have been any opportunity for them to secure near-unfettered access to students."