By Eleanor Harding Education Editor For The Daily Mail
Published: 00:00 GMT, 2 February 2019 | Updated: 11:29 GMT, 2 February 2019
In 2015 campaigners tried to stop feminist Germaine Greer (pictured) from speaking at Cardiff University
Student unions which ban speakers simply because they might cause offence are breaking the law on free speech, official guidelines warn.
In the first intervention of its kind, ministers will today unveil a document outlining how universities must protect freedom of expression.
It says those who try to ban controversial figures, such as feminists critical of the transgender lobby, are in breach of legislation.
And it says that while students are free to peacefully protest against speakers, unions cannot censor them simply because they might ‘offend, shock or disturb others’.
Last year, Bristol student union voted to ban events held by Trans-Exclusionary Radical Feminists (Terfs), who say men who