Wolf Blitzer delivers the most important news and political stories of the day. Tune to The Situation Room weekdays 5-6:30pm ET on CNN.
The U.S. warns of possible terror attacks at the end of Ramadan and takes precaution, closing 21 embassies.
CNN's Wolf Blitzer talks to Rep. Peter King about the global travel alert issued by the U.S. State Department.
The amateur cameraman who recorded the suspected attacker's statement tells his story to ITN's Paul Davies.
CNN's Tom Foreman takes a closer look at how and where Monday's terror attack in Boston occurred.
President Obama reiterated that investigators do not yet know who is behind the explosions in Boston.
A photographer captured the two explosions at the Boston Marathon up close.
Boston Marathon runner Tom Hay talks to CNN's Wolf Blitzer about what he saw and heard during the explosion.
A former U.S. soldier is charged with terror offenses after he allegedly helped an al Qaeda-linked rebel group in Syria. CNN's Jill Dougherty reports.
RELATED STORY: U.S. ex-soldier charged with using RPG for al Qaeda group
Osama bin Laden's son-in-law has been charged in a federal indictment with conspiracy to kill U.S. nationals. CNN's Joe Johns reports.
Brian Todd reports on the Algerian's assertion that a Canadian coordinated the attack on the gas facility.