The Guardian’s Roy Greenslade is to stop writing a weekly media blog for the Independent Press Standards Organisation and step down from his role as professor of journalism at City University.

Greenslade’s blog has been hosted on IPSO’s website since April as part of a six-month contract between the writer and regulator.

The former Daily Mirror editor told Press Gazette: “I only agreed to six months and I will have done it for exactly six months when I did my last one this week.