Teacher in China sentenced to death for poisoning children's porridge

Wang Yun put sodium nitrite in children's breakfast in act of revenge against a colleague

A nursery school teacher in China has been sentenced to death for poisoning dozens of children, one of them apparently fatally, in an act of revenge against a colleague.

A court in the central province of Henan said Wang Yun put sodium nitrite into porridge being prepared for her colleague's students after a falling out with the colleague.