Two Saudi military personnel have been killed in an attack in Yemen, Saudi state media said on Saturday, reporting that the assailant was “affiliated with” Yemen’s defence ministry. “An officer and a non-commissioned officer were martyred and an officer was injured as a result of a treacherous and cowardly attack” on Friday inside a military camp in the city of Seiyun, the officialSaudi Press Agency (SPA) said, citing defence ministry spokesman Brigadier General Turki al-Maliki. Saudi Arabia mobilised an international coalition to intervene in Yemen to support the internationally recognised go…