HERO: Assistant principal Joan Mellon. She grabbed the knives from the suspect after her colleague tackled him. http://pbs.twimg.com/media/BkzRWkNCUAAEEaU.jpg
#HERO - 16yo sophomore pulled fire alarm to alert everyone during the #FranklinRegional school stabbing. #PrayersforFR http://pbs.twimg.com/media/BkzizHfIIAADRxq.png
News conference happening now in Murrysville #wpxi http://pbs.twimg.com/media/Bkzw6SmIcAE84o7.jpg
Murrysville police chief described chaos Live on Ch11 #schoolstabbing 2 of victims still pretty critical #PrayforFR http://pbs.twimg.com/media/Bkzx7rjIIAAJw86.jpg