Police evacuate Capitol lawn due to lightning strikes

The U.S. Capitol Police evacuated the west front of the Capitol on Thursday after reported lightning strikes near the National Mall ahead of President TrumpDonald John TrumpTrump's newest Russia adviser, Andrew Peek, leaves post: report Hawley expects McConnell's final impeachment resolution to give White House defense ability to motion to dismiss Trump rips New York City sea wall: 'Costly, foolish' and 'environmentally unfriendly idea' MORE's "Salute to America" July 4 event.

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Weather was a concern in the Washington area throughout Thursday in the run-up to the Fourth of July festivities on the National Mall, with rain rolling through periodically and more forecast throughout the night.  

Trump is scheduled to speak at 6:30 p.m. at the Lincoln Memorial, with the festivities to end with a fireworks display after 9 p.m.