MURRYSVILLE, Pa. (AP) -- Police have raised the number of people stabbed or slashed by a teenage boy in a knife attack at a suburban Pittsburgh high school from 20 to 22.
A Westmoreland County public safety spokesman says at least 21 students were stabbed or slashed and a security guard was stabbed Wednesday morning. He says two other students suffered other injuries in the knife rampage at Franklin Regional High School, 15 miles east of Pittsburgh.
Hospital officials say at least five student victims have been admitted in critical condition. Doctors say all are expected to recover.
The 16-year-old boy accused of the knife attack is awaiting arraignment. He's expected to be charged as an adult.
The motive for the rampage is under investigation.