The newspaper quoted US and Saudi officials as saying that the move could inject new momentum into efforts to end one of the region’s longest-running civil wars.

If Tehran does stop arming the Houthis, it could put pressure on the militant group to reach a deal to end the conflict, the US and Saudi officials explained.

The WSJ, however, reported that the Iranian delegation to the United Nations declined to comment when asked whether Tehran would suspend arms shipments. 

Soon after exploding in 2014, Yemen's conflict turned into a proxy war between Saudi Arabia, which led a military coalition backing Yemen’s internationally recognized government, and Iran, which has aided the country’s Houthi rebels.

Iran has long been accused by western governments and U.N. experts of providing weapons to the Houthis. Western militaries have repeatedly intercepted Yemen-bound ships carrying Iranian weapons in the Red Sea. Tehran has denied the accusations of arming the Houthis.