WASHINGTON (AP) — The Guantanamo Bay detention center would receive new prisoners for the first time in more than a decade under one option being considered as the U.S. withdraws its forces from Syria and works to resolve the fate of hundreds of captured suspected Islamic State fighters, officials say.

U.S.-backed Syrian fighters have custody of nearly 1,000 suspected IS fighters who the State Department said should be sent back to their home countries and prosecuted. The Syrian fighters have warned they may not be able to continue to hold the IS fighters after the withdrawal of American force...