Former British spy Christopher Steele, who compiled the infamous dossier on Donald Trump at the direction of opposition research firm Fusion GPS, has been ordered by a British court to testify about his role in the matter.

The dossier was funded by Hillary Clinton’s campaign and the Democratic National Committee, who went through a law firm to hire Fusion GPS to come up with the dossier, alleging that Trump “colluded” with Russia in the 2016 presidential campaign. Fusion reportedly paid Steele $168,000 to write the document.

After BuzzFeed News published the salacious 35-page document, one Russian businessman named in the dossier, Aleksej Gubarev, filed a lawsuit against BuzzFeed and Steele. “The dossier claims that Gubarev was recruited as a Russian spy and that his web hosting companies were used to infiltrate the DNC’s computer systems,” the Daily Caller reported.

Gubarev’s lawyers have tried for months to force the London-based Steele to provide a deposition for the lawsuit against BuzzFeed, which is being heard in federal court in Florida.

Steele has resisted the efforts to provide a deposition, arguing that Gubarev’s lawyers are attempting to use his deposition in the BuzzFeed case in order to collect information for use in the lawsuit pending against him in the U.K.

But a British judge sided against that argument.

A judge on the Queen’s Bench Division of the High Court in London ruled, “it is obvious that the author of the paragraph complained of in the Florida proceedings would be a relevant witness in defamation proceedings which are entirely based on the allegations in that paragraph, in a jurisdiction where the plaintiffs have to prove that the allegations are false,” Fox News reported.

The following news report and statement from Steele occurred in March 2017.