Houthi Attacks on Riyadh Airport by the Numbers, and a Former U.S. Envoy's Warning

Houthi missile and drone strikes on King Khalid International Airport in Riyadh killed 17 people and injured 333 between Oct. 7 and Oct. 11, a Saudi-led coalition spokesman said Thursday, according to Fox News. A former U.S. envoy for Yemen warned the same day that the group increasingly acts independently of Iran and now threatens more than the region.

The warning raises concern about Saudi energy sites, water supplies and shipping routes, which the former envoy says are within the group's reach.

The key numbers behind the Riyadh attacks

• 17 killed, 333 injured. Turki al-Maliki, spokesperson for the coalition, gave these figures for attacks on the airport from Oct. 7 to Oct. 11, at a news conference in Riyadh.
• 20 attacks since Oct. 1. Al-Maliki said the airport had been targeted that many times since the start of the month.
• 10 drones, missiles and other projectiles. He said this many were involved in the Oct. 10 attack.
• More than 620 miles. The Associated Press, citing regional officials, reported that drones, followed by cruise and ballistic missiles, traveled this distance to reach Riyadh. Saudi authorities have opened an investigation into possible air defense failures.
• Two more ballistic missiles. Saudi forces intercepted them on Monday as they headed for Riyadh, according to Fox News.

What the former envoy says has changed

Tim Lenderking was the U.S. special envoy for Yemen from 2021 to 2025 and is now a distinguished diplomatic fellow at the Middle East Institute. Speaking at an institute briefing, he said the Houthis have grown from a regional insurgency into an international security threat.

He argued that the group no longer depends on Tehran, though he called the Iranian relationship important in helping the Houthis become powerful. Their weapons and targeting are more precise than in earlier strikes during the Gaza conflict, he said, pointing to hits on Terminal Four at the Riyadh airport. He called the group a "clear and very present danger."

Lenderking said the Houthis have built their own supply chains and smuggling networks. By his account, they buy supplies on the open market and move goods from larger boats to smaller ones, and onto pack animals and people's backs. He also said they raise money through black-market oil sales, taxes on areas they control and extortion of Yemeni businesses and transport firms. He added that they force families to provide sons as fighters.

Yemen's government has accused the group of seeking Chinese components for medium-range ballistic missiles. Lenderking said there is a Chinese connection that is "very detrimental" and that front companies have helped the Houthis obtain weapons through commercial channels. Fox News did not report a response from the Houthis or from China.

Why it matters for Saudi Arabia and global energy

The strikes have hit more than the airport. Reuters reported that a Houthi attack on Tuesday damaged the Aramco headquarters in Dhahran and started a fire that spread across several floors.

Lenderking warned that the group could also go after Saudi energy facilities, pipelines and desalination plants, which he described as critical to the kingdom's economy and water supply. He said the Houthis have already hit pipelines and have diesel plants and other energy sites in their sights. Fox News noted that attacks on such facilities could disrupt global energy markets, maritime commerce and regional stability.

Lenderking also said the Houthis can strike as far as the northern reaches of the Red Sea and control Yemen's west coast. For that reason, he called it "an international problem now," not only a regional one.

What to watch next

Fox News reported that Saturday's attack raised concerns that President Donald Trump could be drawn into a wider regional conflict as Saudi Arabia seeks U.S. help. Asked whether the United States would defend Saudi Arabia against further attacks, Trump said, "You'll find out soon." No further details on U.S. plans were given. The outcome of the Saudi air defense investigation has not been announced.

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Around Prague, based on reporting by Fox News