But Egypt clearly has no desire to be dragged into a military conflict or to see the tensions spiral into another Saudi-Iran proxy battle like the many that are already tearing up the Middle East.
Its reluctance could lead to frictions between Cairo and Riyadh.
Egypt's leadership has been striking a balancing act, giving nods of support to its Gulf allies while trying to defuse their escalations against Iran.
But he also said the region "has enough instability and challenges as it is" and doesn't need a crisis with Iran or Hezbollah, and he called for dialogue to resolve tensions.
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Other Egyptian officials sharpened their rhetoric against non-Arab, Shiite Iran, but have not embraced the sectarian or ethnic slant used by their Sunni-led Gulf friends.
In the past month, Saudi Arabia has twice accused Iran and its Lebanese ally Hezbollah of acts of war against it. A direct war between the two regional powerhouses still seems unlikely; but the heightened rhetoric raised fears that it wasn't out of the question or that a new proxy fight could erupt in Lebanon.
Hussein, who is close to the government, made sure to praise Saudi Arabia's regional role, its financial support for Egypt and its custodianship of Islam's holiest shrines. He also avoided naming Saudi Crown Prince Mohammed bin Salman, the heir to the throne behind the kingdom's more hawkish anti-Iran stance. He has driven aggressive regional policies, including military intervention in Yemen and the ostracizing of Qatar, a move that Egypt fell in line with.
"Coming close to that dangerous (Gulf) region is a horrifying prospect. It's neither wise nor sound to even talk about that," he wrote in Tuesday's edition of the Cairo daily Al-Masry Al-Youm.
Saudi Arabia has bolstered el-Sissi with massive financial backing as the general-turned-president struggles to overhaul Egypt's dilapidated economy. The kingdom is estimated to have given Egypt more than $10 billion in grants and soft loans since 2013 in addition to numerous free shipments of fuel worth tens of millions of dollars.
Instead, Egypt restricted its involvement to deploying warships and aircraft on patrol and reconnaissance missions in the southern reaches of the Red Sea. Egypt has bad memories from its intervention Yemen's civil war in the 1960s, when it backed republicans against a Saudi-backed monarchy in an ill- fated and costly military adventure.
Egypt has also stayed out of Riyadh's campaign to oust President Bashar Assad, supported Russia's military intervention there on Assad's side and negotiated local cease-fires between the government and rebels.
In the end, Saudi Arabia "did not get the foreign policy changes it wanted (from Egypt) in return for its generous support," said Eric Trager of the Washington Institute for Near East Policy.
"The Saudis have learned to live with limited Egyptian involvement in Yemen," he added.
The Saudis and Egypt have somewhat patched up the ill- feelings. Now Cairo wants to avoid a new falling-out over Iran.
Tension has been running high between Saudi Arabia and Iran. The kingdom charged that a missile fired by Yemeni rebels toward Riyadh this month could be considered "an act of war" by Iran, which it accused of providing the missile. Things further heated up when Lebanon's prime minister, Saad al-Hariri, resigned in a pre-recorded message aired from Saudi Arabia, blaming Hezbollah. Riyadh swiftly criticized Hezbollah, saying its aggressions could be considered a "declaration of war."
El-Sissi dispatched his foreign minister to Saudi Arabia, the United Arab Emirates, Kuwait and Bahrain. In Riyadh, the minister met with the Saudi crown prince and, it appears, counselled backing off an escalation with Iran. "The foreign minister was at pains to convey Egypt's concern to see the region spared any tensions that would deepen the instability and polarization it's already seeing," the minister's spokesman Ahmed Abu Zeid said of the Tuesday meeting.
Egypt's track record under el-Sissi shows his reluctance toward military action unless its own territory is directly threatened or if the Gulf is subjected to a clear-cut aggression.
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