Attacker Killed After Assaulting Guard at Israeli Embassy in Belgrade

• An assailant with two knives attacked a guard at the Israeli embassy in Belgrade, Serbia, on Wednesday.
• The attacker, a minor, was killed by the guard in self-defense.
• Authorities are treating the incident as a terrorist attack and have raised the terror threat level.
• The attacker was reportedly a supporter of the Islamic State and shouted 'Allahu Akbar' during the attack.
• The attacker was being monitored by security services prior to the incident.