Police continued their search on Monday for a man believed responsible for the stabbing death of a 15-year-old junior high school girl two days ago at a McDonald's restaurant in southwestern Japan.The man, described by witnesses as being around 40 years old, also stabbed a male student who was waiting in line with the female victim, Saaya Nakashima, at the fast-food restaurant in Kitakyushu, Fukuoka Prefecture. The 15-year-old boy, who police did not name, survived but suffered serious injuries.The assailant entered the restaurant and stabbed each victim once at around 8:30 p.m. Saturday as…READ FULL ARTICLE