The U.S. military is preparing options to evacuate the U.S. Embassy in Sudan, Defense Secretary Lloyd Austin said on Friday as the Biden administration weighed whether to pull personnel out of the country's increasingly unstable capital.

"We've deployed some forces into theater to ensure that we provide as many options as possible if we are called on to do something. And we haven't been called on to do anything yet," Austin told a news conference at Ramstein Air Base in Germany. "No decision on anything has been made."

Two U.S. officials said a decision on a possible evacuation of the embassy is expected soon, but it was unclear if there will be a public announcement.