Christopher Steele, the former MI6 agent who set-up Orbis Business Intelligence and compiled a dossier on Donald Trump

The dossier on Donald Trump compiled by the former MI6 spy Christopher Steele, which accused the US president of being compromised by Russia, was a work of “fabrication”, according to a devastating report by a leading British spy writer.

Nigel West has revealed he was hired by a US Republican law firm to assess the dossier in 2017 and concluded that large parts of it were faked.

Steele’s dossier claimed Russian spies held “kompromat” on Trump, including a video of him cavorting with prostitutes in Moscow, and that Russia had engaged in a conspiracy with Trump’s campaign team to affect the outcome of the 2016 election. It was used by the FBI to justify surveillance of four of Trump’s associates.

The report, seen by The