VANCOUVER—A 28−year−old man was charged Sunday with second−degree murder in a stabbing rampage that left a young woman dead and injured six others in and around a library in North Vancouver, B.C., a day earlier. The Integrated Homicide Investigation Team said Yannick Bandaogo is in police custody after undergoing surgery for self−inflicted wounds. “His background, history in B.C. and relationship to the victims, if any, is still being determined,” Sgt. Frank Jang said in a written statement issued Sunday. Police have not named the woman who died, but said she was in her 20s. Six others were injured in the attack at the Lynn Valley Public Library. Police said their injuries vary in severity. All six are expected to survive. IHIT investigators spent Sunday combing the area for evidence and interviewing witnesses, Jang said, while RCMP officers were looking after the victims, their families and the first responders who attended …