Trump heads to Las Vegas after music festival massacre: 'It's a very sad day for me'

President Donald Trump and first lady Melania Trump walk toward Marine One on the South Lawn of the White House in Washington, Wednesday, Oct. 4, 2017.

LAS VEGAS — President Donald Trump traveled to Las Vegas on Wednesday, three days after a gunman holed up on the 32nd floor of a hotel opened fire on thousands of people gathered for the Route 91 Harvest country music festival, killing nearly 60 people and injuring hundreds more.

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