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As the line to vote stretches outside the Louisiana State Archives building, Louisiana Secretary of State Tom Schedler, left, talks about the first day of early voting at the Louisiana State Archives building Tuesday Oct. 25, 2016, and that voters will receive an "I Voted" Blue Dog sticker after casting their ballot.

Republican Secretary of State Tom Schedler is defending Louisiana's elections system, as President Donald Trump announced an investigation into voter fraud in the fall election.

Schedler released a statement Wednesday saying: "Louisiana did not have any widespread irregularities or allegations of fraud" during the 2016 presidential election.

The secretary of state outlined a list of requirements in Louisiana law for voters, including a photo ID law. Schedler described the requirements as "many layers of legal protection to shield us from voter fraud."

Trump, who lost the popular vote, has repeatedly made unsubstantiated claims about a rigged voting system. But his aides have provided no evidence.

Schedler says if an investigation finds evidence of voter fraud, it should be shared with states so "it can be cleaned-up and put to rest."