LAMBETH College’s principal stooped to a new low yesterday, threatening to close services for disabled students if workers strike in the coming school year.

Mark Silverman outdid himself with his callous disregard for staff and students, stating in a letter that he would axe courses for those with learning difficulties as well as English as a foreign language if staff refused to sign new contracts and stage further walkouts.

University and College Union (UCU) general secretary Sally Hunt branded the intimidation attempt an “outrage.”