While answering questions from the press before boarding Air Force One on Friday, President Donald Trump discussed the ongoing legal fight over his executive order on immigration.

The 9th U.S. Circuit Court of Appeals on Thursday unanimously upheld a temporary suspension of Trump's executive order restricting travelers from seven Muslim-majority nations.

"We'll win that battle, but we also have a lot of other options, including just filing a brand-new order," Trump said.

The president said something could happen as soon as "Monday or Tuesday," since the process will need to be expedited to ensure national security.

"We're going to have very, very strong vetting. I call it 'extreme vetting.' And we're going to have very strong security in our country," Trump said. "We are going to have people who come into our country that want to be here for good reasons."

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