Severe storms force an evacuation of the National Mall, pausing the Salute to America 250 celebration and delaying Donald Trump's planned speech and fireworks.The Secret Service and the Federal Emergency Management Agency, working with DC Homeland Security and Emergency Management and local police, direct tens of thousands to shelters including the Department of Commerce, the National Museum of American History and the Ronald Reagan Building, and they suspend security screenings with no timeline to resume.Freedom 250 spokesman
Danielle Alvarez and White House protocol official
Monica Crowley say lightning and fierce winds follow a day of record heat and earlier military flyovers that caused airport delays and drew some crowds that resisted before police enforced the evacuation.