A car tried to ram the White House security barriers close to the US Capitol building at 15th Street NW and Pennsylvania avenue.
Marking 'A' on the map shows where the incident is thought to have happened.
Police chased the vehicle for about one and a half miles to 2nd Street and Constitution Avenue, near the Capitol, where the shots were fired.
More top news
There's no doubt that Uber is innovative and entrepreneurial, writes Joel Hills - but it's also ruthless and aggressive.
Having now heard Theresa May's Florence speech, I have a bit more understanding why Boris Johnson cut up rough last weekend.
As Theresa May unveils plans for a two-year transition period, and Nigel Farage says she's 'betrayed' Leave fans...what do voters think?