A professor who was at the centre of a high-profile plagiarism row has resigned from the University of Cambridge.

Prof Jason Arday became a poster boy for diversity as the university's youngest ever black professor, but is now facing questions about his academic record.

Professor Jason Arday had been at the centre of a growing row over allegations that he had copied parts of his PhD from another student.

Star sociology professor quits amid allegations of plagiarism and academic misconduct