Supreme Court Chief Justice John Roberts, who is presiding over the trial, will be sworn in along with the senators.

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House lawmakers, who are called managers and who will prosecute the impeachment case against President Donald Trump, carried the articles of impeachment to the Senate on Thursday and read the charges aloud to formally begin the third trial of a sitting president.

The seven House managers were recognized and were escorted to the well of the Senate. The lead manager, House Intelligence Committee Chairman Adam Schiff, D-Calif., then read the articles aloud as senators sat at their mahogany desks. Sen. Chuck Grassley of Iowa, the longest-serving senator known as the Senate president pro tem, presided over the reception of the articles.

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