Who are the Bakraoui brothers, blamed for Brussels attacks?
While the Belgium-born siblings had been known, small-time thugs, their sudden involvement in extremist terrorism was a surprise
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While the Belgium-born siblings had been known, small-time thugs, their sudden involvement in extremist terrorism was a surprise
Homeland Security Secretary Jeh Johnson says there is no specific threat in the U.S.
Explosions near check-in desks at Brussels airport spark debate over how to better protect these often-crowded spaces
ISIS claims it carried out deadly bombings at airport and subway station, says "what's yet to come is worse"
ISIS has taken responsibility for the coordinated bombings of the airport and a subway station in Brussels, Belgium
With six terrorist attacks on European soil since the beginning of last year, there's never been such pressure to get it right
Michael Morell, former number-two at the CIA, says ISIS is getting more sophisticated, calling them "pros" trained by experts in Iraq and Syria
Homeland Security sent a bulletin to law enforcement agencies across the country warning of the potential threats from ISIS following the Brussels attacks
Witnesses describe harrowing scene as deadly explosions rock Brussels airport and subway system
Security analysts Michael Morell and Juan Zarate say bombings likely directly linked to capture of Salah Abdeslam last week
Police will be visible and busy across the nation's urban centers after terrorists strike the heart of a European capital
Throughout the country people are tweeting offers of shelter and rides
People around the world pay tribute to the victims
The feature has been used by millions of people in recent years to let family and friends check on each other after a crisis
Dozens have been killed in Brussels bombings, less than six months after the deadly Paris attacks, in a sign of Europe's increasing instability
Two major terror attacks within six months in Europe amid a massive migrant crisis have put law enforcement on the highest alert
No indication of direct threat to facility, but ISIS has shown "focused intention" on obtaining radioactive material in Europe
ISIS claims responsibility for bombings that kill dozens in Belgian capital, where a Paris attacks suspect is still thought to be on the run
Wall Street looked set for a weak start, with Dow futures down 0.2 percent while S&P futures fell 0.3 percent
Explosions at the main Brussels airport and in the metro rock the Belgian capital
Top suspect in deadly Paris attack talking to Belgium investigators after capture, Paris prosecutor says
Top suspect in deadly Paris attacks faces extradition as official warns of threat of new attacks after capture
CBSN investigates Belgian community that has become a breeding ground for ISIS recruitment
Officials say suspects include one woman, and all were born in France; officials in Brussels still hunting two linked to earlier Paris attacks investigation
Officials say at least 4 police officers were injured during action believed to be related to Paris attacks investigation