WASHINGTON—The U.S. Senate this week is set to vote on a resolution to withdraw U.S. support for the Saudi-led coalition at war in Yemen, an effort to punish Riyadh for the killing of a Saudi Arabian journalist.

The measure is just one of several lawmakers have introduced that would pit a Senate skeptical about the U.S. relationship with Saudi Arabia against the Trump administration, which views the kingdom as a vital strategic ally.

A resolution set for a vote this week, sponsored by Sens. Bernie Sanders (I., Vt.) and Mike Lee (R., Utah.), would withdraw U.S. military support from the Yemen conflict between Saudi-led coalition and Iran-allied Houthi militants, which has left tens of thousands dead and pushed millions to the brink of starvation. Among other elements, it would bar U.S. refueling of Saudi planes and scale back the U.S. presence in the region.

“Our involvement in this terrible war is one thing that engenders more terrorism,” said Rand Paul (R., Ky.) on NBC Sunday. “I think it’s actually a risk to our national security to be involved with the Saudis.”

Last month, 14 Senate Republicans joined with every member of the Democratic caucus to take a procedural step that advanced the Sanders-Lee measure.