Britain's Supreme Court is considering whether a woman who left the country to join ISIS as a 15-year-old should be permitted to return to the country to argue that her U.K. citizenship should not have been revoked.

Shamima Begum, now 21, left London with two other schoolgirls in 2015 to join the terrorist group. She is now in a detention camp in northern Syria.

She was found in the camp by a journalist in February 2019, nine months pregnant, and said she wanted to come home. She says she married a Dutch ISIS fighter days after arriving in ISIS territory and that she had earlier given birth to two infants who had died of malnutrition and disease. The third baby later died of pneumonia in the camp.

Read more: NPR