Attacks by Yemen's Houthi militia have injured 73 people in Saudi Arabia, Saudi officials said on Tuesday.
The attacks hit civilian and economic targets in Khamis Mushait, Najran and other cities in the south of the kingdom, said a spokesman for the Saudi-led military coalition that is fighting the Houthis in Yemen, although he did not specify when the attacks took place. Women and children were among the victims, he said.
The coalition spokesman described the strikes as a "dangerous escalation." The coalition would take "all necessary operational measures" to eliminate the threat from Yemen, he said.
The Houthi forces initially did not comment on the attacks.
The Houthis had accused Saudi Arabia of carrying out an airstrike on a prison in Yemen on Monday. The Houthi-controlled television station Al-Masirah reported that at least 11 people were killed, and 20 others were missing.
Saudi Arabia initially did not comment. None of the information could initially be independently verified.
Saudi Arabia's Energy Ministry said separately that several energy facilities were hit in the south of the country, causing fires to break out in several places. Operations were partially suspended on a temporary basis.
Iran-backed Houthis in Yemen have been fighting the government supported by Saudi Arabia for more than 10 years.
An unofficial truce has been in place since 2022. However, the conflict in Yemen has also flared up again following the war with Iran. This includes fighting on the west coast on the Red Sea.