Iranians cross a street, next to a poster of slain top Iranian commander Qasem Soleimani and slain Iraqi commander Abu Mahdi al-Muhandis, in the capital Tehran on December 28, 2021. AFP PHOTO
RIYADH: Saudi Arabia's King Salman urged arch-rival Iran on Thursday to end its "negative behavior" in the region, after Riyadh accused Tehran of aiding Yemeni rebels in launching deadly attacks on his country.