A top US Republican politician and his aide are among several seriously injured following a shooting at a baseball practice, according to reports.
Eyewitnesses have reported more than 50 shots being fired after a gunman stormed a Congressional baseball practice.
GOP Majority Whip Steve Scalise is understood to have been involved in the incident.
Police say they are investigating a “multiple shooting” in the Alexandria area of Washington DC and a suspect is currently in custody.
Local media report there is a major police presence after the attack.
White House press secretary Sean Spicer tweeted that President Donald Trump was being briefed.
“Both @POTUS & @VP are aware of the developing situation in Virginia. Our thoughts and prayers are with all affected,” he said.