A huge security operation is underway in Canada's capital amid investigations into shootings that left a soldier dead. CBC's correspondent Hannah Thibedeau with the latest from Ottawa.
An attack in Ottawa on Wednesday marked the second potential act of terrorism this week on Canadian soil. Experts explain why they may be a target.
"Shark Tank" investors Kevin O'Leary and Thomas Caldwell of Caldwell Securities, provide perspective into the attacks on Ottawa and how it impacts markets.
President Obama spoke by phone to Canadian Prime Minister Stephen Harper. CNBC's Michelle Caruso-Cabrera reports the details.
Don Borelli, NBC News terrorism analyst, provides insight into the investigation to the shooting on Parliament Hill in Ottawa.
Art Cashin, UBS, explains how headlines and events like today's shooting in Canada move markets. CNBC's Bob Pisani proves insight
CNBC's Bob Pisani explains the possible correlation between the shootings in Ottawa and how oil drifted lower, and its impact to the US stock market.
CNBC's Michelle Caruso-Cabrera reports Canadian officials seem to be backing away from the possibility there was more than one shooter in Ottawa.
Ottawa Police Chief Charles Bordeleau answers if there is more than one gunman and if a suspect is still on the loose in Ottawa. Bordeleau asks the community to remain constantly vigilant.
Ottawa Mayor Jim Watson discusses the "sad and tragic" events that occurred on Parliament Hill in Canada today.
Ottawa Police Chief Charles Bordeleau provides the latest on the shooting on Parliament Hill in Ottawa, Canada. Bordeleau confirms a member of the Canadian Armed Forces was killed and a suspect is deceased.
CNBC's Bob Pisani discusses how the U.S. stock market is handling news of the shootings on Parliament Hill in Ottawa, Canada.
CNBC's Michelle Caruso-Cabrera reports the latest on the shootings on Parliament Hill in Ottawa, Canada.
Discussing the potential impact of today's shootings in Ottawa on an already nervous stock market, with John Stoltzfus, Oppenheimer & Company, and Jill Cuniff, Edge Asset Management.
Ottawa police have confirmed one male suspect of the shooting on Parliament Hill has died, and the solider that was shot while on guard at the National War Memorial has also died.
Art Cashin of UBS, discusses the shooting in Ottawa on Parliament Hill, and fears around lone wolf events.
Globe & Mail reporter Campbell Clark discusses the shooting in Ottawa on Parliament Hill.
CNBC's Michelle Caruso-Cabrera provides an update on the situation near the Canadian Parliament after a gunman opened fire.
Multiple Canadian television networks are reporting the soldier who was shot while on guard at the National War Memorial outside the Canadian Parliament has died.
Ottawa Police Constable Chuck Benoit, discusses how many suspects in the Ottawa shooting are on the loose, and what is known about the condition of the soldier who was shot while on guard at the National War Memorial outside the Canadian Parliament building.