Just breaking: shots may have been heard in or near the Senate office building in DC. Some entrances to the U.S. capitol are sealed off. One person may have been taken away in an ambulance.
Update 4:55 PM CT: The gun shots were not in any building but near the capitol. A white mercedes was involved.
4:59 PM: Reports are the capitol police might have been involved in the shooting and may have hit the suspect. But nothing official.
5:43: Official: Suspect in shooting is dead. This started as a routine traffic stop when the car sped off.
There more at Reuter's Capitol police say suspect killed near Capitol
The shooting occurred after a Capitol police officer tried to make a routine traffic stop near Union Station -- the driver fled, nearly ran over two officers, struck a parked and then crashed into a police cruiser.
"... He began shooting a weapon at several U.S. Capitol Police officers. U.S. Capitol Police returned fire, hitting the suspect,"
...Robert Drumm, visiting Washington from Edmond, Oklahoma said he was walking near the Capitol when he saw police cars engaged in a high speech chase with a white Mercedes.
There was a crash and then "boom, boom, boom, boom. A pause and then a bunch more," Drumm added, estimating he heard more than a dozen gunshots.
The incident was the second shooting in just over a month near a popular tourist attraction in Washington.