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A U.S. federal appeals court will hear oral arguments today over whether to reinstate President Trump’s travel ban blocking refugees and immigrants from seven Muslim-majority countries from entering the United States.

The court has decided to livestream the proceedings, which start at 3 pm PT and will last one hour.

A panel of three randomly selected federal judges will hear arguments from lawyers for the states of Washington and Minnesota and the Department of Justice. The arguments will be heard over telephone, so the livestream is audio-only. Each side will have 30 minutes to make its case.

Listen to the oral arguments here:

Update: PBS NewsHour will also stream video of the oral arguments live on Twitter today via Periscope.

We'll be using #Periscope to show you oral arguments for #WAvTrump on the president's immigration ban LIVE on @Twitter. Join us at 6pm ET — PBS NewsHour (@NewsHour) February 7, 2017

In Seattle on Friday a federal judge issued a temporary nationwide block to Trump’s immigration order in response to a lawsuit brought by the attorneys general of Washington and Minnesota.

Just after midnight on Sunday, the Justice Department filed an emergency request to reinstate the restrictions. The request was denied later that morning, meaning for now, the nationwide block remains in effect and immigrants and refugees from the seven countries restricted under Trump’s travel ban can enter the United States.

On Monday, the Trump administration filed another brief arguing that the judge’s move to lift the ban nationwide was too broad and that the order wasn’t based on religion.

As of Monday, 127 companies, primarily from the tech industry — including Apple, Facebook, Google, Netflix, Uber and eBay — filed an amicus brief in support of the states’ suit. The collective brief condemns the travel ban, claiming it is inflicting “substantial harm on U.S. companies.”

Amazon and Expedia were the first companies to file declarations in support of the Washington attorney general’s lawsuit.

A coalition of 16 states’ attorneys general also filed an amicus brief in support of the lawsuit.

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