The U.S. State Department issues a worldwide advisory about possible anti-American violence in Pakistan. The advisory is issued to America citizens traveling and residing abroad about what it calls “enhanced potential for anti-U.S violence” The advisory urges Americans to limit their travel outside of their homes and hotels and avoid mass gatherings and demonstrations. The State Department says government facilities, such as embassy buildings, worldwide remain at a heightened state of alert, according to the advisory. In Washington D.C., more uniformed police officers were put on public transportation.”]