An executive order by U.S. President Donald Trump to suspend refugee admissions has magnified the fears of one Afghan American soldier who has long been worried about the fate of his sister in Kabul.

Thousands of Afghans who stood up to the Taliban or have ties to the U.S. are stuck in limbo thanks to President Donald Trump's executive order suspending the relocation of refugees to the United States — including some who already had their security clearances approved and their flights booked.

Afghans who fled after the Taliban seized power have appealed to U.S. President Donald Trump to exempt them from an order suspending the relocation of refugees to the United States, some saying they risked their lives to support U.