President Trump issued a new warning to the Iranian regime, as he revealed one of the officials the U.S. has been indirectly talking to. NBC News' Stephanie Gosk reports. Security lines shrunk at airports across the country as TSA officers received their first paychecks. NBC News' Priscilla Thompson reports. Moments after Delta Flight 104 took off from Sao Paulo, Brazil for Atlanta, a fireball engulfed the jet's left engine. Delta says it experienced a mechanical issue and landed safely. NBC News' Morgan Chesky reports. In Milwaukee, Wisconsin, new body camera video shows the shocking moment a police officer clings to the side of a suspect's truck for blocks as he speeds off. NBC News' Maggie Vespa has the story. In Bulverde, Texas, a 15-year old student shot a teacher this morning. The school was placed on lockdown and first responders rushed to the scene. Officials say the student was found dead from a self-inflicted gunshot wound. NBC News' Ryan Chandler has more. Golfer Tiger Woods bonded out of jail following his arrest for DUI with property damage in Florida. Now, the big question is whether Woods will tee off at the Masters, which begins on April 9. NBC News' Jesse Kirsch reports. Four astronauts are preparing for their journey around the moon. The mission was delayed this winter due to technical challenges. Lift off is scheduled for this Wednesday. NBC News' Tom Costello reports from the Kennedy Space Center.
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