Pics: Mob of teens brutally beat 2 students in Philly subway station

Security video showed the moment a mob of students brutally beat 2 high schoolers in a Philadelphia subway station. Other students were seen cheering it on. This happened on Tuesday April 21st and it's now being investigated though no student has reported being assaulted.

The pics shows the teens repeatedly stomping on one of the victim's head. The fight was reportedly over a girl. The victims and the teens who assaulted them were all from Benjamin Franklin High School. See the pics after the cut