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AUSTIN (AP) — Houston-area authorities say a man claiming to work for Donald Trump has been arrested for voter fraud.

Phillip Cook Jr. was arrested Tuesday after trying to vote for a second time at a polling station in an unincorporated area southwest of Houston.

Fort Bend County Sheriff Troy Nehls says Cook told poll officials and sheriff’s deputies that he was helping the Trump campaign and testing election security.

Trump has alleged widespread voter fraud and that there are insufficient safeguards to protect the integrity of the election.

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