The moment suspected gunman James T. Hodgkinson opened fire at a group of Republican lawmakers practicing for a charity baseball game on Wednesday morning was captured on video by a man walking his dog.

People can be seen running as dozens of gunshots are heard in the video, filmed through the fence of the baseball diamond.

READ MORE: Suspect ID’d in shooting of congressman Steve Scalise in Virginia; suspect dead

“Is that guy OK out there?” the man recording the video is heard saying, as an apparent victim is seen lying on the ground.

The shooting left Republican congressman Steve Scalise in critical condition, and wounded several others.

There are repeated gunshot noises in the nearly six-minute-long video, and they continue after police sirens are heard. Hodgkinson was shot by Capitol Hill police who were at the scene, and police said he later died.

A witness on social media described hearing nearly 80 gunshots during the shooting.

WATCH: Suspect dead after Congressman Steve Scalise, 3 others shot in Virginia

Gunman killed after opening fire on congressmen at Virginia baseball diamond 03:23 Gunman killed after opening fire on congressmen at Virginia baseball diamond 01:49 Suspect dead after Congressman Steve Scalise, 3 others shot in Virginia 01:20 Congressman Steve Scalise stretchered out following shooting at baseball diamond in Virginia 03:15 5 people shot including suspect, 2 others injured in Alexandria, Virginia: FBI 00:43 ‘No indication that he knew this was going on:’ FBI on Virginia shooter appearing at baseball field 00:32 9-1-1 calls capture the chaos during shooting at congress practice 00:42 Paul Ryan addresses shooting ‘without these two heroes, many lives would have been lost’ 01:12 ‘An attack on one of us is an attack on all of us’: Paul Ryan 01:16 Bernie Sanders condemns Virginia shooter who is believed to have worked on his campaign 02:00 Nancy Pelosi pays tribute to colleagues injured in shooting on baseball field 00:35 Medevac chopper arrives after GOP Congressman, aides shot at during baseball practice 02:15 Congressman gets emotional discussing shooting at baseball practice 10:56 Sen. Rand Paul describes shooting at congressional baseball practice 00:41 ATF agents respond to scene of Virginia shooting 02:30 Massive emergency response following shooting in Alexandra, Virginia

“We had three members of Congress took shelter in our apartment and they said (the shooting) was down on the field,” Benjamin Childers explained during a live stream shortly after the shooting, adding the three were not injured.

While police and the Federal Bureau of Investigation said it was too early to determine whether it was a deliberate political attack, the shooting intensified concerns among some politicians and the public about the sharp divide and bitter rhetoric in U.S. politics.

Hodgkinson was a member of many anti-Republican groups on Facebook including “The Road to Hell Is Paved With Republicans,” “Terminate The Republican Party,” and “Donald Trump is not my President,” his profile showed before it was taken down.

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– With files from Reuters and Adam Frisk