Toronto: Chuang “Ray” Li has been accused of stabbing four employees at a north Toronto office building. He faces three counts of attempted murder, four counts of aggravated assault, and four counts of assault with a weapon. On April 9 he attacked his co-workers with a sharp implement. A man and woman in their 30s were rushed to hospital with life-threatening injuries and remain in critical condition. Two other men were also injured in the attack.