Trump says Islamic State group leader was killed in a joint U.S.-Nigerian mission

President Donald Trump speaks to reporters aboard Air Force One, Friday, May 15, 2026, as he returns from a trip to Beijing, China. Mark Schiefelbein/AP hide caption toggle caption Mark Schiefelbein/AP WASHINGTON — U.S. and Nigerian forces killed a leader of the Islamic State group in Nigeria in a mission carried out Friday, U.S. President Donald Trump said. Trump announced the joint operation in Africa's most populous country in a late-night social media post that offered few details. …