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Tom Costello: Tuesday’s attacks are like ‘Belgium’s 9/11’

02:17

Responding to an eyewitness account of the Brussels airport explosions Tuesday morning, NBC aviation expert Tom Costello says “you think of this as Belgium’s 9/11” in terms of how the country has been paralyzed. He says schools have been shut down and that cellphones are not working, which could be due to officials locking the service down.