A handout picture provided by the official Saudi Press Agency shows Crown Prince Mohammed bin Salman attending the annual shura council meeting, a top advisory body, in the capital Riyadh on December 30, 2021. - During a televised speech Saudi Arabia's King Salman urged arch-rival Iran today to end its "negative behaviour" in the region, after Riyadh accused Tehran of aiding Yemeni rebels in launching deadly attacks on his country. (Photo by SPA / AFP) / === RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / HO / SPA" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS ===