One of two women who have waged a 16-year feud online and in court has now been charged with the attempted murder of her rival in relation to a stabbing at the outset of a B.C. Supreme Court hearing last week.

Catherine Shen has remained in custody since the attack last Tuesday on the third floor of the downtown Vancouver courthouse, where she and Jing Lu were expected to make an appearance before a judge.

Shen was initially charged with aggravated assault,