Ottawa shootings
Police exchange gunfire inside the Canadian Parliament building, Oct. 22, 2014.
The gunman was shot in a shoot-out inside the Parliament building. Downtown Ottawa was locked down.
Ottawa shootings
Parliamentary staff leave the area after a shooting on Parliament Hill in Ottawa, Oct. 22, 2014.
A soldier standing guard at the National War Memorial was shot by an unknown gunman and people reported hearing gunfire inside the halls of Parliament. Prime Minister Stephen Harper was rushed away from Parliament Hill to an undisclosed location, according to officials.
Ottawa shootings
Police officers take cover near Parliament Hilll following a shooting incident in Ottawa, Oct. 22, 2014.
Ottawa shootings
Armed RCMP officers approach Parliament Hilll following a shooting incident in Ottawa, Oct. 22, 2014.
Ottawa shootings
Armed RCMP officers head towards the Langevin Block on Parliament Hill following a shooting incident in Ottawa, Oct. 22, 2014.
Ottawa shootings
Responders treat a wounded soldier at the Canadian War Memorial in Ottawa, Oct. 22, 2014.
Ottawa shootings
Police and medical personnel moving a wounded person into an ambulance at the scene of a shooting at the National War Memorial in Ottawa, Canada, Oct. 22, 2014.
Ottawa shootings
Police officers patrol alongside the Canadian War Memorial following a shooting incident in Ottawa, Oct. 22, 2014
Ottawa shootings
Armed RCMP officers guard access to Parliament Hill following a shooting incident in Ottawa, Oct. 22, 2014.
Ottawa shootings
RCMP officers close off streets near Parliament Hill following a shooting incident in Ottawa, Oct. 22, 2014.
Ottawa shootings
Workers stand outside police lines in downtown Ottawa after a shooting, Oct. 22, 2014.
Ottawa shootings
Police are seen on a roof top in Ottawa after a shooting, Oct. 22, 2014.
Ottawa shootings
A heavily armed RCMP officer takes position at the gate of 24 Sussex Dr., the official residence of the Prime Minister, Oct. 22, 2014.
Ottawa
Flowers, momentos and well wishes are placed at the Canadian War Memorial in downtown Ottawa, Oct. 23, 2014.
A gunman attacked Canada's parliament on Wednesday, with gunfire erupting near a room where Prime Minister Stephen Harper was speaking, and a soldier was fatally shot at the nearby war memorial, jolting the Canadian capital.
Ottawa
Police perform a thorough search of the area around the Canadian War Memorial in downtown Ottawa, Oct. 23, 2014.
Ottawa
Prime Minister Stephen Harper hugs Opposition Leader Thomas Mulcair in the House of Commons in Ottawa, Oct. 23, 2014, as the government went back to work following a shooting incident Oct. 22, in which a gunman killed a soldier and ran through Parliament shooting before being shot dead himself.
Ottawa
Sergeant-at-Arms Kevin Vickers makes his way to the House of Commons in Ottawa, Oct. 23, 2014.
Vickers was credited with shooting the suspect during a shooting incident Oct. 22, in which a gunman killed a soldier and ran through Parliament shooting before being shot dead himself.
Ottawa
Police officers stand guard near the National War Memorial in downtown Ottawa, Oct. 23, 2014.
A gunman attacked Canada's parliament, with gunfire erupting near a room where Prime Minister Stephen Harper was speaking, and a soldier was fatally shot at the nearby war memorial, jolting the Canadian capital.
Hamilton, Ontario
Workers from the St. Eugene Catholic Elementary School, where Cpl. Nathan Cirillo's son is enrolled, pay respects at a makeshift memorial in honor of Cpl. Cirillo, outside the family home in Hamilton, Oct. 24, 2014.
Cirillo was killed during a shooting incident at the Canada War Memorial in Ottawa on October 22.
Canada vowed on Friday to toughen laws against terrorism as an opinion poll showed a majority of Canadians lacked confidence in their security services' ability to deter homegrown radicals who struck twice in the past week.