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Shot Fired At U.S. Capitol Building, Wounded Gunman in Custody

by PETE WILLIAMS, TRACY CONNOR and CORKY SIEMASZKO

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Photo:  Police and EMS personnel transport the person believed to be the gunman away from the shooting scene at the U.S. Capitol Visitor Center on March 28, 2016 in Washington, D.C. EDITORS NOTE: Suspect's face was slightly obscured digitally at the request of DC Fire and EMS Department. Ricky Carioti / The Washington Post via Getty Images   

There was chaos in the U.S. Capitol Complex on Monday when police shot and wounded a suspected gunman in the visitors center.  The entire complex was immediately locked down as police raced inside and terrified tourists ran for cover.

"Police appeared out of everywhere and they were screaming, 'Run for it! Run for it! Run up that ramp!'" said witness Jill Epstein.

The shooting occurred shortly after 2:30 p.m. after the man set off an alarm while going through a metal detector and "drew what appeared to be a weapon and pointed it at a police officer," Capitol Police Chief Matthew Verderosa said.

There was chaos in the U.S. Capitol Complex on Monday when police shot and wounded a suspected gunman in the visitors center.  The entire complex was immediately locked down as police raced inside and terrified tourists ran for cover.

"Police appeared out of everywhere and they were screaming, 'Run for it! Run for it! Run up that ramp!'" said witness Jill Epstein.The shooting started around 2:30 p.m. after the man set off an alarm while going through a metal detector and "drew what appeared to be a weapon and pointed it at a police officer, Capitol Police Chief Matthew Verderosa said. 

For more on this story, see:    http://media4.s-nbcnews.com/j/newscms/2016_13/1476131/160328-capitol-suspect-injured-829p_f44ef92c7baadfc377e8dc6d9b5efebd.nbcnews-ux-2880-1000.jpg