A judge ordered U.S. Senator Lindsey Graham to testify in front of a special grand jury in Georgia investigating former President Donald Trump’s alleged attempts to overturn the results of the 2020 election.

Fulton County Superior Court Judge Robert McBurney ordered that Graham will be required to testify on Aug. 2. The judge’s certification filed on Monday described Graham as a “necessary and material witness” to the grand jury probe. The development was reported earlier by WSB-TV.

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