Quebec City mosque shooting: Timeline of police response to attack

Six people were killed and five critically injured Sunday night in a shooting at a mosque in Quebec City.

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Here’s a timeline of the police response:

At 7:50 p.m., police receive several calls from the Centre Culturel Islamique de Quebec reporting that shots had been fired.

READ MORE: Police search for motive in deadly terror attack on Quebec City mosque

Police quickly arrive onsite and arrest one suspect.

Officers go inside the mosque and realize there are many victims.

The attack is considered a major incident. All available police staff in Quebec City, including canine units, are called in.

READ MORE: False reports circulating about Quebec mosque shooter’s identity

Police set up a security perimeter around the site.

WATCH BELOW: Multiple people dead after shooting at Quebec City mosque

1:22 Multiple people dead after shooting at Quebec City mosque

At 8:10 p.m., a second suspect calls 911 asking to speak with investigators. He tells police he will wait for officers at an access road near the Ile-d’Orleans bridge.

READ MORE: Anti-Muslim incidents in Quebec: a timeline

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Police go to the meeting spot and arrest the suspect at 9 p.m.

WATCH BELOW: Police confirm all 6 Quebec City mosque shooting victims were male

0:25 Police confirm all 6 Quebec City mosque shooting victims were male

More officers go to the mosque to provide support for those on scene. A command post is established.

READ MORE: ‘Islamophobia exists,’ Montreal Muslim community in shock following Quebec City mosque attack

At 10 p.m., an RCMP national security task force is deployed.

SQ spokesperson Christine Coulombe says it is too early to determine a motive behind the rampage.

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1:38 University of Laval officials can’t confirm Quebec City mosque shooting suspects are students

Security is increased at other mosques in the city as well as the Université Laval campus.

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Flags at City Hall in Montreal and the National Assembly in Quebec City fly at half-mast.

READ MORE: Montreal police increasing presence around mosques after Quebec City attack

Vigils are organized across the country.

Around 12 p.m. Monday, Quebec provincial police confirm that one of the two suspects is now considered a witness.

Reports from Quebec media, including La Presse, TVA, and Radio Canada, say that Alexandre Bissonnette is the lone person suspected in the shooting.