Saudi Arabia’s deputy defense minister on Monday met with Omani Defense Minister Bader bin Saud al-Busaidi during his unannounced visit to Muscat.

“Saudi Prince Khalid bin Salman, Deputy Minister of Defense, arrived at Omani capital Muscat,” Oman’s Defense Ministry said in a Twitter post.

“The meeting was held at the headquarters of the Ministry of Defense this afternoon in a formal talks between both ministers,” it added.

Oman is considered to be one of the prominent mediators on the Yemeni issue.

Read more: Saudi deputy defense chief pays surprise visit to Oman