Office for Students made decision to punish University of Sussex with fine last year after claiming it breached free speech regulationsEngland’s higher education regulator has apologised for a string of mistakes in its decision to punish the University of Sussex with a record fine that was later overturned by the high court.The Office for Students (OfS) tried to impose a £585,000 fine against Sussex last year after claiming the university breached free speech regulations involving its former