WASHINGTON—Saudi Crown Prince Mohammed bin Salman on Friday wrapped up an official trip to Washington that put the spotlight on the kingdom’s war in Yemen but also emboldened Saudi Arabia to more forcefully counter rival Iran.
Pressuring Saudi Arabia to step up its efforts to find a peaceful solution to the protracted conflict in neighboring Yemen was a central focus of conversations between Prince Mohammed and officials at the White House and in Congress during his four-day trip to Washington, officials said, the first leg...