A Houthi attack on a Saudi Arabian airport killed 12 people and injured 309 others, according to Saudi Civil Defence. The attack targeted the airport in the eastern city of Al-Kharj. The United Arab Emirates condemned the strike, calling it a violation of international law. The Saudi government confirmed the casualties and is investigating the incident. The Houthi group, based in Yemen, has been accused of launching multiple attacks on Saudi territory. The attack comes amid ongoing tensions between Saudi Arabia and Yemen. The Saudi Civil Defence said the attack was carried out using a drone. The injured are being treated in hospitals across the country. The Houthi group has previously claimed responsibility for attacks on Saudi oil facilities. The Saudi government has not yet issued a formal statement on the incident. The attack is the latest in a series of attacks by the Houthi rebels against Saudi infrastructure. The United Arab Emirates has been a key ally of Saudi Arabia in the region. The attack has raised concerns about regional security. The Saudi government is expected to take further action in response to the attack.