PARIS, Jan. 13 (Xinhua) -- A secretary was stabbed to death by a Chinese student in a university in Perpignan, south France, and another three persons were hurt during the incident, local prosecutor said on Wednesday. Jean-Pierre Dreno, the prosecutor of Perpignan, said that the student, 26, went into his department of sociology, stabbed a 49-year-old school secretary to death and hurt another three teachers at around 9:30 in the morning. One injured suffered serious wounds. ...