The Houthi-affiliated health ministry raised its death toll to 51 people, including 40 children.
Iran's threat to shut down the Strait of Hormuz is unlikely to be carried out, but it would prompt a spike in oil prices and potential U.S. military intervention.
Russia argued that Saudi Arabia had "the sovereign right to decide" how it conducted its domestic affairs, and need not listen to a "moral superior."
Iran's Ayatollah Ali Khamenei said Mecca "belongs to all Muslims," and their security during Hajj was a God-given right that Saudi Arabia fails to uphold.
"More than 10,000 displaced households (nearly 80,000 people) have been assisted with food, emergency kits and other life-saving support."
Israeli officials said Erdogan is also donating funds to Islamic Organizations in Arab neighborhoods in East Jerusalem.
For the first time since beginning the project in late 2017, the International Crisis Group has listed "Critical" flashpoints in two separate Middle Eastern countries.
Iranian supreme leader Ayatollah Ali Khamenei's top military aide also threatened to shower Saudi royal palaces "with 1,000 missiles" if the kingdom launches an attack.
Despite reports that the Saudi-led coalition had seized a crucial port city, a top Iranian official said the Houthis were "witnessing their advances every day."
Syrian President Bashar al-Assad said only "people that you trust, people who are level-headed, people who are thoughtful, people who are moral, ethical" must be listened to.
President Donald Trump called for Arab partners to contribute more to the fight against ISIS in Syria, but Saudi backing could further complicate the war.
French President Emmanuel Macron claimed, "If France wasn't listened to then there probably would be a war in Lebanon at this moment."
An Iranian Revolutionary Guards official said his forces were in Iraq and Syria legally, and "if anyone should leave the region, it would be the meddlesome U.S."
Like Israel, Saudi Arabia was one of the few nations to welcome Trump's decision to withdraw from the Iran nuclear deal.
Saudi Arabian Foreign Minister Adel al-Jubeir said, "We will do whatever it takes to protect our people," including building nuclear weapons.
A New York Times report claims U.S. Green Berets are covertly destroying Houthi rebel missile sites in Yemen on behalf of Saudi Arabia.
"The one who must leave is the U.S., not the Islamic Republic. We are from this region: the Persian Gulf is our home; West Asia is our home," Khamenei said.
Iranian Foreign Minister Mohammad Javad Zarif said one option "would involve resuming at a much greater speed our nuclear activities."
The event reflects the Muslim's country economic and social reforms aimed at transforming Saudi Arabia.
Two opposing, multinational alliances are forming as President Donald Trump decides whether or not to attack Syria.
The lawsuit asks for billions of dollars in damages for the victims and their families.
The deal included as many as 6,700 missiles as well as parts for Riyadh's U.S.-made tanks and helicopters.