10/22/2014 02:45 EDT | Updated 12/22/2014 05:59 EST

Ottawa shooting: Dramatic events caught on video

The first reports of a shooting at Canada's National War Memorial in Ottawa came just before 10 a.m. E.T. Wednesday, as Ottawa police confirmed there had been gunfire.

The memorial is at Elgin and Wellington streets, across Wellington from the East Block of the Parliament Buildings and the Chateau Laurier Hotel farther to the east.

The shooting victim was a Canadian soldier, one of two standing guard at the memorial, as the military does every day in Ottawa. Police and ambulances converged on the downtown scene.

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A man who was walking along the street nearby said he heard the shots and saw the gun aimed at a Canadian soldier. Another witness, standing less than two metres from the gunman, said the man was wearing a bandana and carrying what he described as a double-barrelled shotgun.

The shooter fled to the street, where he "hijacked" a car. It wasn't immediately clear whether the driver went with him or was left behind.

A  first responder could be seen performing cardiopulmonary resuscitation on the soldier, trying desperately to keep him alive.

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There were also unconfirmed reports that a similarly dressed man was seen running toward Parliament Hill. The Globe and Mail posted a video shot by a reporter in a Parliament Building hallway. It was later announced that police had shot dead one man.

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That raised the possibility that more people were involved in what was now being described as an attack on Parliament. The Parliament Buildings and much of the downtown area were locked down by police. A search of the buildings began:

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As police swarmed the area around Parliament Hill, CBC chief correspondent Peter Mansbridge spoke by phone with Steve Day, the former head of the Joint Task Force 2, a military commando unit potentially involved in the response:

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