Al-Muhtadee Billah, Crown Prince of Brunei Darussalam and Senior Minister at the Prime Minister's Office, left here today after a several-day visit to Oman during which he met with Sultan Qaboos bin Said. The visit of Crown Prince of Brunei Darussalam and Senior Minister at the Prime Minister's Office came within the framework of enhancing the good friendship relations binding the two countries, as well as to support the existing bilateral cooperation in various spheres to serve the joint interests of the friendly peoples of the two countries, ONA reported.