Jeremy Corbyn is the "Loony Commissar" of the Loony Left

Jeremy Corbyn used his position in Parliament to call for the “complete rehabilitation” of Leon Trotsky, it has emerged despite dismissing concerns about hard-Left entryism as “nonsense”.

In 1988, the Labour leader – then a backbencher – demanded the Marxist revolutionary and other communists have their achievements formally recognised by the Russian state.

Mr Corbyn was one of a series of prominent left-wingers who put their name to an Early Day Motion, a form of parliamentary petition with no standing in law, which made the call...