Canadian killer had been identified as a terror risk before rampage at parliament

Witnesses describe seeing Michael Zehaf-Bibeau raise his arms in gesture of triumph after shooting dead soldier guarding war memorial in Ottawa. 

Terror came to the heart of the Canadian capital Ottawa on Wednesday as a suspected jihadist gunman shot dead a soldier at the national war memorial and then rampaged through the halls of the federal parliament.The attacker, who was killed in a gun battle inside parliament,wasnamed as Michael Zehaf-Bibeau, a Canadian-born 32-year-old. 

He was a recent convert to Islam from Quebec with a history of drug abuse and whose passport had been seized by authorities after he was designated a "high-risk traveller", Canadian media reported. 

Canada was already on edge after a radical Muslim convert killed a soldier and injured a second on Monday in a deliberate hit-and-run car attack in Quebec before being shot to death by police.