Gunman went on rampage at Perm State University in Russia's Ural Mountains Footage showed 18-year-old walking into building holding a large firearm Many students were also seen jumping from windows to escape the shooting Later reports said the shooter, a student at the university, had been shot by police responding to the attack Chilling social media posts indicate Timur Bekmansurov's actions had nothing to do with politics or religion but were motivated by hatred President Vladimir Putin had been notified of the shooting, the Kremlin said WARNING: Graphic images