Chemical Smell Suddenly Grounds Flights At Several Major Airports

WASHINGTON—Planes have been grounded at all three Washington, D.C.-area airports after a strong chemical smell forced workers to evacuate the region’s air traffic control center. Flights were abruptly grounded at Reagan National, Dulles, and Baltimore-Washington International Airports late Friday, and inbound flights were diverted, causing major delays at one of the nation’s largest air travel ...