Postpublished at 17:36 British Summer Time 22 October 2014
Craig Scott
Canadian politician
tweets, external: MPs and Hill staff owe their safety, even lives, to Sergeant at Arms Kevin Vickers who shot attacker just outside the MPs' caucus rooms.
There have been two shooting incidents in Ottawa - at the National War Memorial and inside parliament
A soldier guarding the war memorial was shot and later died of his injuries
A gunman has been killed in the parliament building, it is not clear if other gunmen are at large
Several buildings are on lockdown and residents have been told to stay away from windows and roofs
PM Stephen Harper says "Canada will never be intimidated" and will "redouble our efforts" in fighting terrorist groups
Sherie Ryder, Yaroslav Lukov, Mike Hills, David Walker, Victoria Park and Bernadette McCague
Craig Scott
Canadian politician
tweets, external: MPs and Hill staff owe their safety, even lives, to Sergeant at Arms Kevin Vickers who shot attacker just outside the MPs' caucus rooms.
We are still waiting for news on the condition of the soldier shot at the war memorial in Ottawa. Alex Boutilier, a reporter for the Toronto Star, said, external a worker at the city's main hospital told him the soldier was still receiving treatment.
Josh Wingrove
Reporter for the Globe and Mail
tweets:, external We are hearing banging in the Parliament building but security very calm. Sounds like maybe battering rams being used to open doors.
tweets:, external The eerie scene at Rideau and Sussex. See photo, external
Prime Minister Stephen Harper is understood to have cancelled his public events for the day, including a meeting with Nobel Peace Prize winner Malala Yousafzai, who is in Toronto to receive honorary Canadian citizenship. Mr Harper is due to make a statement later today.
Darrell Keezer took this picture:
Kady O'Malley
CBC reporter
tweets, external: Chateau Laurier [a hotel close to the Rideau Centre], surrounded by police, who just ordered us off the roof
She adds, external: Judging from the warning we just got, it sounds like the police think at least one potential threat is still around
Nichola Loudiadis: Hello, I'm a student who goes to a high school in Ottawa. Currently every building (stores, hotels, schools) in the downtown Ottawa area have been put into a pseudo lockdown. At our own school we have been put into 'secure school' which states that no-one is to leave the building until further notice.
Police appear to be trying to secure the area around the Rideau Centre after reports of gunshots there earlier. Vassy Kapelos, a journalist with Canada's Global National radio station, tweets, external: Total pandemonium near rideau centre. Police screaming for everyone to leave - we are.
@brenthazelton tweets:, external Just witnessed them load the shooter in an ambulance with a white sheet pulled over him. #shooter #cdnpoli
Heavily armed officers are still conducting building to building searches in the area around parliament. A number of parliament employees and journalists remain in lockdown inside the building following the exchange of fire earlier.
tweets:, external Downtown mall in Ottawa, the Rideau Centre, a few blocks east of Parliament Hill, is now in lockdown. #bn
Dave Bradley
Journalist at Newstalk1010
tweets, external: Ottawa Police now confirming a 3rd shooting. This one at the Rideau Centre Mall. No word on injuries at that one. The Rideau shopping centre is close to the other two confirmed shooting incidents, at the parliament building and the war memorial.
Ian Chandler: I'm in lockdown at my school & lunch has been cancelled. My dad is downtown in the building across the street from the shooting at the war memorial.
@rohozinski tweets:, external Police have now cleared area as far back as Albert Street. More technical teams arriving. See photo, external
Lauren Dobson-Hughes, who is in the area, tweets, external: Police have confirmed they're looking for 'multiple shooters'. Unclear if this is two, including the dead one, or three
@Adamyk tweets:, external The fact that there's no new updates on suspect number #2 leads me believe I'll be locked in here for a long time. #OttawaShooting