Richard Burgon, the shadow lord chancellor, has appeared 11 times on the Kremlin-controlled channel

Concerns are growing about Russia’s influence at Westminster as a Kremlin-controlled television channel regularly promotes Labour frontbenchers while Tory grandees accept thousands of pounds to appear on its shows.

Shadow ministers have featured at least 26 times on the station RT, formerly called Russia Today, since Jeremy Corbyn became Labour leader in 2015. Conservatives have been paid up to £1,000 to make appearances.

Michael Gove, the environment secretary, has queried why frontbenchers are appearing on a “literal Kremlin propaganda channel”.

RT was founded under President Putin in 2005 and is regarded by critics in the West as a disinformation network.

Ofcom, the broadcast regulator, has repeatedly reprimanded the channel for breaching rules on impartiality.

Frequent appearances by Mr Corbyn’s frontbench team were highlighted by the