Argentine leader mourns 'the companion of my life'
Mr Kirchner, 60, himself a former president, was Argentina's most powerful politician and a leading contender for next year's presidential election.
Dressed in black and close to tears, Ms Fernandez thanked supporters who queued for hours to catch a glimpse of Mr Kirchner's coffin during a two-day wake and vowed to respect her late husband's legacy.
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Hide Ad"I've heard people say this is the most difficult moment of my life. But really it's something different. It's the most painful moment of my life," she said at the end of her televised address on Monday.
"It's the loss of the companion of my life, of fights, of ideals … a part of me has gone with him," she said, her voice breaking.