White House locked down over new security breach

A 23-year-old Maryland man was in custody early Thursday after he climbed over the White House fence and was swiftly apprehended on the North Lawn by uniformed Secret Service agents and their dogs. Read more...

Friends not surprised sergeant-at-arms intervened in Parliament Hill shootings

To those who know Kevin Vickers, there was little surprise that the sergeant-at-arms of the House of Commons and former RCMP officer would be the one to intervene in Wednesday's attack on Parliament Hill and reportedly shoot an assailant. Read more...

WATCH: Video shows suspected shooter get into car after shooting at War memorial

A video posted online Wednesday shows what is believed to be Michael Zihef-Bibeau, the shooter responsible for the death of Corporal Nathan Cirillo getting into a car. Read more...

Ottawa shooting suspect has shady criminal past

MONTREAL - A man with the same name as the gunman slain in Wednesday's shooting in Ottawa had an extensive criminal record for petty crimes in Quebec as well as a single prior in Vancouver from three years ago. Read more...

Corporal killed remembered as dog lover, outdoorsman

A soldier shot and killed in Ottawa on Wednesday was a reservist who was only on a short-term posting at the National War Memorial, relatives and other sources said. Read more...

WATCH: Penguins play Canadian national anthem

The Pittsburgh Penguins played "O Canada" before their game Wednesday night against Philadelphia to pay tribute to a Canadian soldier killed during an attack in Ottawa. Read more...

Day of terror in Ottawa: a timeline, photos and video

A CTV summary of a deadly day in the nation's capital: Read more...

Harper, Opposition leaders address the nation

The gunman who staged a deadly attack Wednesday on Parliament Hill was a terrorist whose despicable crime will only harden Canada's resolve to crack down on terrorists at home and abroad, Stephen Harper says. Read more...

Ottawa shooter was a recent convert to Islam: reports

Two people are dead after dramatic series of events in Ottawa Wednesday — and it appears that the man who unleashed them was a recent convert to Islam. Read more...

Ottawa shooting brings troubled memories for Quebec politician

Some places in the Quebec National Assembly still show bullet marks from 30 years ago, when Denis Lortie went on a shooting rampage, killing three staff members and wounding 13 others. Read more...

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