Ottawa shootings: Key moments and reaction in video
On Wednesday a gunman rampaged through the Canadian Parliament building firing a torrent of bullets. Michael Zehaf-Bibeau had shot and killed a soldier at an Ottawa war memorial before entering the building. Below is a selection of video clips that tell the story of the panic, shock and resilience that ensued.
Shots fired inside Canada parliament
Footage emerged that showed bullets being fired inside the Canadian parliament building, in Ottawa. Some viewers may find this footage distressing.
Authorities release video of attack
The day after the attack the police released CCTV footage of the gunman storming into the Canadian parliament. Royal Canadian Mounted Police commissioner Bob Paulson explained what the footage showed.
Footage 'shows Canada gun suspect'
Amateur footage, submitted to Canada's Broadcasting Corporation, appears to show the alleged shooter leaving the war memorial site after Cpl Nathan Cirillo was shot.
Canadian PM: 'Canada will never be intimidated'
Canadian Prime Minister Stephen Harper said that "Canada will never be intimidated" by terrorist attacks.
Eyewitness saw gunman at war memorial
Eyewitness Reevo Namic said that he saw a gunman at the war memorial in Ottawa before the parliament building was breached.
Evacuated MP on what he heard at the scene
John McKay, an MP who was evacuated from the parliament building, told reporters he had heard the "pop, pop, pop" of gunfire.
Ottawa police 'caught by surprise' by shootings
Police in Ottawa have said they were caught by surprise by the shooting incidents at the National War Memorial and inside parliament.
President Obama condemns shooting
Speaking to reporters, President Obama pledge that Canada could rely on the US for support. He said the two countries "had to be entirely in sync".