Iran and six powers failed on Monday for a second time this year to resolve their 12-year stand-off over Tehran's nuclear ambitions, and gave themselves seven more months to clinch an historic deal.
President Vladimir Putin blamed the West for worsening relations with Russia since the Ukraine crisis and said Moscow would not allow itself to become internationally isolated behind another 'Iron Curtain'.
Top Canadian security officials are due to testify on Monday before a parliamentary committee about threats facing the nation in the same building where a man described as an homegrown militant opened fire last week as Prime Minister Stephen Harper met with lawmakers.
The man who killed a Canadian soldier and attacked the country's parliament building last week made a video of himself before hand, evidence he was driven by ideological and political motives, police said on Sunday.
