US travelers warned of increased violence risk after Zawahiri killing State Department urges citizens to maintain high level of vigilance and 'practice good situational awareness' while abroad
US warns of possible retaliation after killing of Al Qaeda chief
US citizens advised to maintain a high level of vigilance when travelling abroad
State Department updates ‘worldwide caution’ after al-Zawahiri strike
Al-Qaeda leader killed in counter-terrorism operation on 31 July
Ayman al-Zawahiri: US warns of possible retaliation over al-Qaeda death
Be vigilant for possible anti-American violence, the US warns citizens after killing al-Qaeda's chief.
US issues ‘worldwide caution’ to American travellers after al-Qaeda chief’s death
The State Department said it believed there is a higher potential for anti-American violence given the death of Ayman al-Zawahiri, who was killed on Sunday in Kabul, Afghanistan.