Another top Corbyn adviser, Andrew Murray, has reportedly been working in the Labour Leader’s Commons office for eight months without the required security clearance. His application has been pending for over a year..

Andrew Murray was a member of the Communist Party of Great Britain until he joined Labour two years ago.

A quick glance at the parliamentary pass application form might explain why so many of Corbyn’s team have been having trouble. Question 30 asks if applicants have ever been associated with people or groups who have “intended to overthrow or undermine Parliamentary democracy by political, industrial, or violent means?” A number of Corbyn’s top team are probably going to need more than half a page to give full details on that one…