HORRIFIED students were seen jumping from windows and fleeing for their lives at a university after a gunman stormed the campus.At least five people have been killed and 32 people injured in the massacre at Perm State University in Russia.... Horrified witnesses told of their panic as they barricaded themselves in rooms on the campus as the gunman prowled the halls.... One said: “ When the people saw the shooter and heard the shots, some managed to leave the building, others locked themselves