Yemen's Iran-backed Houthi rebels claimed responsibility on Friday for missile and drone attacks targeting "sensitive" sites in Saudi Arabia's capital, Riyadh. The claim came hours after smoke and flames were seen rising near the city's main King Khalid International Airport.

This latest escalation marks a significant development in the ongoing conflict, with the Houthis demonstrating a continued capacity to strike deep within Saudi territory. Riyadh has been a frequent target of Houthi aggression since the Saudi-led coalition intervened in Yemen's civil war in 2015.

Saudi authorities have not yet officially commented on the Houthi claims or the reported smoke near the airport. However, reports indicated that air traffic at the airport continued normally, and no major disruptions were immediately apparent. The Houthis stated their attacks were in response to "continued aggression and siege" against Yemen.

The implications of such attacks extend beyond the immediate security concerns for Saudi Arabia. They underscore the persistent instability in the region and pose challenges to ongoing diplomatic efforts aimed at resolving the Yemeni conflict. The Houthis' ability to launch such strikes also raises questions about the effectiveness of Saudi air defenses.

This incident follows a pattern of escalating Houthi attacks targeting Saudi infrastructure and cities. In recent months, the group has claimed responsibility for numerous drone and missile strikes across the kingdom, including on oil facilities and airports in other cities. These attacks have often been met with Saudi airstrikes in Yemen.

International observers have expressed concern over the recurrent violence, warning that it could derail peace initiatives and further destabilize an already war-torn Yemen. The United Nations has been leading efforts to broker a ceasefire and facilitate humanitarian aid to millions affected by the conflict.

The Houthi movement, which controls much of northern Yemen including the capital Sanaa, has consistently vowed to retaliate against Saudi Arabia for its role in the war. Their military capabilities, reportedly bolstered by Iranian support, continue to pose a significant threat.

Further details regarding the extent of damage and Saudi Arabia's official response are awaited. The incident reignites concerns about the broader regional security implications and the unresolved nature of the Yemeni civil war.