Tensions escalate in Middle East ahead of high-stakes UN General Assembly. Here’s what to know

As world leaders prepare to gather in New York for the United Nations General Assembly (UNGA) this week, a growing number of flashpoints across the Middle East are raising concerns about a wider regional escalation, from renewed fighting between Saudi Arabia and the Iran-backed Houthi rebels in Yemen to fresh warnings exchanged between Washington and Tehran.

Why are the Houthis and Saudi Arabia back at the center of regional tensions?

A dramatic Houthi offensive in Yemen has emerged as one of the most significant developments heading into UNGA.

The Iran-backed group has seized key territory in recent weeks, including a strategically important island in the Red Sea and coastal areas overlooking the Bab al-Mandab Strait, a crucial maritime chokepoint linking the Red Sea and Gulf of Aden. US and Gulf officials have expressed growing concern that the Houthis are seeking to establish greater control over the waterway, which is vital to global trade and energy shipments.

Despite receiving increased US intelligence and targeting support, Saudi Arabia has struggled to halt the Houthi advance. CNN reported Friday that Gulf and American officials are increasingly doubtful Riyadh can reverse the Houthi gains on its own.

The fighting has intensified sharply in recent days. Saudi Arabia accused the Houthis of targeting Mecca, Islam’s holiest city, while the Houthis claimed they shot down a Saudi F‑15 fighter jet over Yemen. On Saturday, the group also claimed missile and drone attacks on “sensitive” sites in Riyadh and an Aramco oil facility in Yanbu.

The latest exchanges underscore fears that Yemen is becoming an increasingly important front in the broader regional confrontation involving Iran.

Why are US embassies warning Americans?

Amid the worsening security environment, the US State Department and several US diplomatic missions have urged Americans in the region to exercise increased caution.

On Saturday, the State Department warned that the conflict “has the potential to escalate rapidly” and advised heightened vigilance.

Separately, the US Embassy in Saudi Arabia issued a security alert restricting travel by US government personnel to the cities of Taif and Yanbu without special authorization.

The warnings come as officials monitor the possibility of additional attacks involving Iran, Iranian-aligned groups and US partners in the region.

What are Iran and Trump saying?

Iran’s central military command said Sunday it had received information suggesting the United States, with support from regional partners, could be preparing new military action against Iran.

In a statement carried by the semi-official Tasnim News Agency, Iran warned that any new US attack would trigger sustained strikes on US bases and interests across the region. Tehran also warned that countries assisting such operations would be considered parties to the conflict.

There have been no publicly reported US strikes on Iran for more than two weeks.

US President Donald Trump, meanwhile, further raised tensions with remarks indicating major decisions on Iran may be approaching.

Speaking to Fox News, Trump said he was in “deciding mode” and that “very big things” could happen soon. According to Fox correspondent Trey Yingst, Trump outlined three possible outcomes for Iran: a deal with Washington, increased economic pressure or military action.

At the same time, Trump said his administration remains in contact with the Houthis and is still avoiding direct US military involvement in the group’s conflict with Saudi Arabia.

Patrick T. Fallon/AFP/Getty Images

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Which Middle East leaders will be at UNGA?

Regional diplomacy is expected to be dominated by discussions on Iran, Yemen, maritime security and energy markets.

Saudi Foreign Minister Prince Faisal bin Farhan is leading a delegation, while Qatar, the United Arab Emirates, Kuwait, Oman and Bahrain are all sending senior representatives.

Iranian President Masoud Pezeshkian is also expected to attend the General Assembly after the Trump administration approved travel for a core Iranian delegation.

“Consistent with our host country obligations, the core delegation from the Iranian regime will be able to attend UN General Assembly High Level Week,” a State Department spokesperson said Thursday.

With fighting intensifying in Yemen, threats escalating between Washington and Tehran, and energy markets remaining sensitive to disruptions, many diplomats arriving in New York see this year’s General Assembly as taking place under one of the most volatile Middle East security environments in recent years.

CNN’s Tim Lister contributed to this story.

本周，世界各国领导人将齐聚纽约参加联合国大会，而中东地区日益增多的冲突热点引发了人们对该地区局势进一步升级的担忧，从沙特阿拉伯与伊朗支持的也门胡塞武装之间再次爆发冲突，到华盛顿和德黑兰之间相互发出新的警告。

胡塞武装和沙特阿拉伯为何再次成为地区紧张局势的焦点？

也门胡塞武装发动的猛烈攻势已成为联合国大会召开前夕最引人瞩目的事态发展之一。

近几周来，伊朗支持的胡塞武装占领了包括红海一座具有重要战略意义的岛屿以及俯瞰曼德海峡的沿海地区。曼德海峡是连接红海和亚丁湾的关键海上咽喉要道。美国和海湾国家官员日益担忧胡塞武装正试图进一步控制这条对全球贸易和能源运输至关重要的水道。

尽管沙特阿拉伯获得了美国越来越多的情报和目标打击支持，但它仍然难以阻止胡塞武装的推进。美国有线电视新闻网（CNN）周五报道称，海湾国家和美国官员越来越怀疑利雅得能否仅凭自身力量扭转胡塞武装的攻势。

近几日，战斗急剧升级。沙特阿拉伯指责胡塞武装袭击伊斯兰教圣城麦加，而胡塞武装则声称在也门上空击落了一架沙特F-15战斗机。周六，该组织还声称对利雅得的“敏感”地点和延布的沙特阿美石油设施发动了导弹和无人机袭击。

最新的交锋凸显了人们的担忧，即也门正成为伊朗卷入的更广泛的地区对抗中日益重要的前线。

美国大使馆为何要向美国公民发出警告？

在安全环境日益恶化的背景下，美国国务院和多个美国外交使团敦促该地区的美国公民提高警惕。

周六，美国国务院警告称，冲突“有可能迅速升级”，并建议提高警惕。

此外，美国驻沙特阿拉伯大使馆发布安全警报，限制美国政府人员未经特别授权前往塔伊夫和延布两座城市。

发出这些警告之际，官员们正在密切关注伊朗、与伊朗结盟的组织以及美国在该地区伙伴可能发动的更多袭击。

伊朗和特朗普方面说了些什么？

伊朗中央军事指挥部周日表示，他们收到情报显示，美国可能在地区伙伴的支持下，正准备对伊朗采取新的军事行动。

伊朗半官方的塔斯尼姆通讯社发表声明称，伊朗警告说，任何新的美国袭击都将引发对美国在该地区基地和利益的持续打击。德黑兰还警告说，协助此类行动的国家将被视为冲突方。

两周多以来，没有公开报道美国对伊朗发动袭击。

与此同时，美国总统唐纳德·特朗普发表的言论进一步加剧了紧张局势，暗示可能即将就伊朗问题做出重大决定。

特朗普在接受福克斯新闻采访时表示，他正处于“决策阶段”，而且“非常大的事情”可能很快就会发生。据福克斯记者特雷·英斯特报道，特朗普概述了伊朗问题的三种可能结果：与华盛顿达成协议、加大经济压力或采取军事行动。

与此同时，特朗普表示，他的政府仍然与胡塞武装保持联系，并且仍然避免美国直接军事介入该组织与沙特阿拉伯之间的冲突。

Patrick T. Fallon/法新社/盖蒂图片社

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哪些中东领导人将出席联合国大会？

预计地区外交将主要围绕伊朗、也门、海上安全和能源市场等议题展开讨论。

沙特阿拉伯外交大臣费萨尔·本·法尔汉亲王率领代表团，卡塔尔、阿拉伯联合酋长国、科威特、阿曼和巴林也都派出了高级代表。

特朗普政府批准伊朗核心代表团出行后，伊朗总统马苏德·佩泽什基安预计也将出席联合国大会。

美国国务院发言人周四表示：“根据我们作为东道国的义务，伊朗政权的核心代表团将能够参加联合国大会高级别周。”

随着也门战事加剧，华盛顿和德黑兰之间的威胁不断升级，能源市场仍然容易受到干扰，许多抵达纽约的外交官认为，今年的联合国大会是在近年来中东安全环境最动荡的时期之一举行的。

CNN的蒂姆·利斯特对本文亦有贡献。