A wounded person is stretchered away from a baseball field in Alexandria, Virginia, on Wednesday, June 14. A gunman opened fire on Republican congressmen as they practiced baseball at the field. House Majority Whip Steve Scalise, a congressional staffer, a lobbyist and two members of the congressional police force were among those injured, officials said. The alleged gunman was killed. Essdras M Suarez/Zumapress

A bullet hole is visible in the window pane of a YMCA near the field in Alexandria. courtesy Joseph Miscavige

Baseball equipment is seen scattered on the field. Members of Congress were practicing for a game that is scheduled for Thursday night at Nationals Park. The annual congressional baseball game has been played since 1909. SHAWN THEW/EPA/REX/Shutterstock

A person is treated by emergency workers at the scene of the shooting. SHAWN THEW/EPA/REX/Shutterstock

Investigators gather near the scene. Alex Wong/Getty Images

Mic.com writer Will Drabold tweeted this photo of a car with a window shot out. Will Drabold/Mic

US Rep. Ruben Kihuen tweeted this photo with the following caption: ".@HouseDemocrats praying for our @HouseGOP @SenateGOP baseball colleagues after hearing about the horrific shooting." Courtesy Rep. Ruben J. Kihuen

US Sen. Jeff Flake hugs another member of the Republican congressional baseball team after the shooting. SHAWN THEW/EPA/REX/Shutterstock

US Rep. Mo Brooks meets with reporters in Alexandria after the shooting. Cliff Owen/AP

US Rep. Roger Williams is wheeled away by medical service personnel. In a statement, the Texas congressman said one of his staff members, legislative correspondent Zack Barth, was shot during the incident. Alex Wong/Getty Images

People stand near the scene of the shooting. SHAWN THEW/EPA/REX/Shutterstock