Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-6:30pm ET on CNN.
If the Bluefin-21 completes its search without finding MH370, searchers will have to bring in new, more sophisticated equipment. CNN's Brian Todd talks to the manufacturer of what could be the next, best option.
News that broke in "The Situation Room": U.S. personnel helped Yemenis conduct a counter-terror operation, including helicopter missions and drone strikes, that may have killed al Qaeda's top bomb maker. CNN's Barbara Starr reports.
Poppy Harlow talks to Heather Abbott, who is running just a year after losing her leg in the Boston Marathon bombings.
White House officials say they believe chemical weapons were used again by the Syrian regime. CNN's Elise Labott reports.
Yemeni officials say that at least 65 militants have been killed in a massive anti-terror operation. Jim Sciutto reports.
Brian Todd looks at how a teen stowaway might have survived a flight from San Jose to Maui in the wheel well of a plane.
New video from al Qaeda affiliate al-Shabaab shows the terror group calling for recruits and more attacks - just months after they murdered dozens in a Kenyan mall. CNN's Barbara Starr reports.
Photos show an American corporate airplane on a runway in Iran, where U.S. businesses are prevented from doing business because of sanctions. What is it doing there? CNN's Suzanne Malveaux investigates.
Hundreds are still missing after a South Korean ferry sank. Brian Todd looks at how some could survive in air pockets.
Abu Hamza, a cleric who is on trial in New York on terrorism charges, wants to take the stand in his own defense.