Former Ku Klux Klan leader David Duke filed a motion Monday to block a subpoena for his communications filed by nearly a dozen people injured last year during a white supremacist rally in Charlottesville, Va., The Associated Press reported.

The 11 plaintiffs filed a lawsuit in federal court accusing the rally organizers of violating civil rights laws. As part of the lawsuit, they subpoenaed Duke to produce communications related to meetings he had with other white nationalists leading up to the event.

Duke sought Monday to have the subpoena dismissed, calling it “vague, overbroad, unduly burdensome and irrelevant,” The Associated Press reported.

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White nationalists organized a “Unite the Right” rally in Charlottesville last August that turned violent when attendees clashed with counterprotesters. One woman was killed in the melee and many others were injured.

Duke spoke at the rally prior to the outbreak of violence and said the event represented the effort to “fulfill the promises of Donald Trump.”

Following the rally, President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE said there was blame on “both sides” for the violence, prompting sharp criticism from lawmakers on both sides of the aisle.

Duke, however, thanked Trump for his “honesty & courage.”