The U.S. is stopping aerial refueling of warplanes bombing Yemen, dialing back support for a Saudi-led military coalition as criticism of the kingdom grows in Washington over the conflict’s civilian impact.
Saudi Arabia and the U.S. Defense Department said the Arab coalition requested the change because it had developed its own aerial refueling capabilities and no longer needed American support in that capacity. Defense Secretary Jim Mattis said the U.S., which also provides limited intelligence assistance to the coalition,...