"Israeli airstrikes today on Sana'a International Airport, the Red Sea ports, and power stations in Yemen are especially alarming," the UN chief spokesperson said in a press brief

An Israeli strike on the international airport in Sanaa, Yemen, on Dec. 26, killed at least four people, according to local media. Houthi attacks on Israel have ramped up in recent weeks.

A new round of Israeli airstrikes in Yemen on Thursday targeted the Houthi rebel-held capital and multiple ports, while the World Health Organization’s director-general said the bombardment occurred nearby as he prepared to board a flight in Sanaa,

Flights were scheduled to resume again on Friday at Sanaa international airport, officials said, a day after the airport was hit by Israeli strikes.

The U.N. worker hurt in an Israeli air strike on Yemen's main international airport on Thursday suffered serious injuries and has been evacuated to Jordan for further treatment, the World Health Organization said on Friday.

Israeli forces unleashed a series of strikes on the Yemeni capital Sanaa and the western city of Hodeidah on Thursday, killing at least six people and injuring dozens more, the Houthi militant group said in a statement.

Israel attacked multiple targets in Yemen, including the Sanaa International Airport, marking a major escalation in a mounting conflict with Iran-backed Houthi rebel forces.