A female driver was immediately apprehended at 17th and E Streets, the U.S. Secret Service reported on its Twitter feed.
Police psychologists caution that there might be a reason the campus security officer at the high school massacre in Parkland, Florida, failed to act.
A Florida golf club owned by U.S. President Donald Trump agreed on Friday to pay $5.45 million to settle claims by former members that it wrongfully refused to refund their deposits when they wanted to resign.
Rick Gates, a former Trump campaign aide and business associate of Paul Manafort, entered the plea in federal court in Washington.
Trump appointees wanted to make oil and gas extraction easier for industry, but a federal judge worried about pollution and wasted resources.