Authorities took action after a 13-year-old boy opened fire in a school in Belgrade on May 3. Just one day later, there was another mass shooting in an area south of the Serbian capital. #serbia #belgrade #belgradeserbia #regulations #amnestyprogram #worldnews #law | Two Mass Shootings in Two Days Was Enough For This Country to Change Its Gun Laws | VICE World News: This content is being shown for news purposes only. | Guns, grenades and rocket launchers were among 13,500 weapons handed in following two mass shootings in Serbia in May. | The government declared a one-month amnesty period for citizens to surrender unregistered weapons as part of a crackdown on gun violence. | Authorities say anyone caught with illegal weapons once the amnesty period ends could face prison sentences of up to 15 years, if they are convicted.