ROUGH CUT (NO REPORTER NARRATION)<br/> <br />A 16-year-old student holding two knives went on a stabbing rampage in the hallways of a Pittsburgh-area high school early on Wednesday, injuring 20 people, at least nine of them seriously, officials said.<br/> <br />The suspected attacker, who was not identified, is in police custody. The attacks began around 7:13 a.m. EDT (1113 GMT)in several classrooms and hallways as the classes were starting at Franklin Regional High School in Murrysville, 20 miles (32 km) east of Pittsburgh, officials said.<br/> <br />The school was evacuated quickly after a student or staff member pulled the fire alarm, said Murrysville Police Chief Tom Seefeld.
