Saudi Arabia issues air raid alerts across the country, and other Mideast developments

Saudi Arabia warned of a “hostile aerial threat” and issued a string of emergency alerts across the kingdom, including in its capital, late Friday and early Saturday. Also Saturday, Iran’s state TV reported that a man was executed after being convicted on charges of spying for Israel’s intelligence agency Mossad.Here is the latest news from the Middle East on Saturday. Full coverage is available here.Saudi Arabia warned of a “hostile aerial threat” after issuing emergency alerts, and at least one explosion was heard in Riyadh.The alert in Riyadh was the first for the Saudi capital since the latest escalation with Yemen's Iran-backed Houthi rebels.No casualties or damage were reported after the alerts were lifted. Saudi authorities didn't say what prompted the alerts or the cause of the audible explosions, but they previously reported intercepting incoming Houthi missiles and drones.The U.N.’s most powerful body said late Friday that the Houthis' military escalation, attacks and threats “risk further expanding the conflict, threatening maritime security and international trade,” while undermining regional and international efforts to secure peace in Yemen.It warned that continued es...