Eyewitness: ‘Second bomb was more powerful’02:17
A reporter, Steve Dacraene, who was at the airport during the attack in Brussels, talks to Andrea Mitchell about what he witnessed during and after the fatal attack.
Acting defense secretary heads to NATO summit03:44
How Trump's unscheduled press conference happened07:06
Fact-checking the president's news conference03:47
Former defense secretary expresses concerns for Putin meeting11:04
Trump creates his own narrative at press conference08:35
Trump holds impromptu conference, makes false claims15:53