Canada Shooting Developments - October 23, 2014

1
Members of Parliament have a moment of silence in the House of Commons in Ottawa, Oct. 23, 2014.

2
Canada's Prime Minister Stephen Harper and his wife, Laureen Harper, lay flowers at the National War Memorial in downtown Ottawa October 23, 2014.

3
Prime Minister Stephen Harper shakes hands with Sergeant-at-Arms Kevin Vickers, who shot and killed a gunman who had rampaged through the parliament building, in the House of Commons in Ottawa, Oct. 23, 2014.

4
Prime Minister Stephen Harper, right, shakes hands with Liberal Leader Justin Trudeau in the House of Commons in Ottawa, Oct. 23, 2014.