The Latest: Sans jacket, Melania Trump heads for Arizona

TUCSON, Ariz. (AP) " The Latest on Melania Trump (all times local):

10:30 a.m.

Melania Trump is risking no fashion distractions on her second trip toward the U.S.-Mexico border, this time to Arizona.

Opting for a bland black shirt, white slacks and flat shoes, Mrs. Trump departed Washington early Thursday for Tucson.

Spokeswoman Stephanie Grisham said the first lady is meeting with officials from the Department of Homeland Security and ranchers and children at a U.S. Customs and Border Protection facility near Davis-Monthan Air Force Base. Grisham said the first lady is trying to learn about how her husband's strict immigration policy is playing out on the ground.

A week earlier, she wore a jacket to and from McAllen, Texas that read, "I really don't care, do u?" in white letters on the back.

Her spokeswoman said there was no hidden message intended, but President Donald Trump tweeted that it was a reference to the "fake news" media.

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5:30 a.m.

Melania Trump is headed toward the southern U.S. border for the second time in a week.

She boarded an official plane at Joint Base Andrews wearing a black shirt and white slacks. Her spokeswoman would not immediately confirm her destination, citing security concerns.

The first lady's wardrobe became an issue last week, when she traveled to McAllen, Texas, wearing a jacket that said, "I really don't care, do u?" on the back. Mrs. Trump's spokeswoman said there was no message intended in the jacket. President Donald Trump undercut that statement, tweeting it was about his wife not caring about "fake news."

Either way, the choice overshadowed the trip to visit officials and migrant children detained at the border under the president's "zero tolerance" policy to prosecute illegal border-crossers.

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1 a.m.

Melania Trump is heading back toward the southern border of the United States.

On Thursday, the first lady is expected to visit immigration centers housing migrants apprehended at the U.S.-Mexico border.

Her spokeswoman declined to immediately release details, citing security concerns.

Melania Trump traveled to the border town of McAllen, Texas, last Thursday to meet with officials dealing with families detained at the border. She also met with some children at one of the facilities.

But the trip was overshadowed by a jacket she wore to and from Texas that said on the back: "I really don't care, do u?" The first lady's spokeswoman said there had been no hidden message.