Quote:
"A hangar roof collapsed at the Dulles Jet Center around 8 a.m. Saturday morning, according to Rob Yengling, Metropolitan Washington Airports Authority spokesman. Yengling says there were five people spending the night at the complex, but they weren't injured. He says they suspect significant damage to the hangar, and there were four private jets inside, but they have not done a full damage report yet."
Multipe roof collapses around region - wtop.com