Visiting Nigerian Minister of Defence Mousa Kuankusow and Saudi Crown Prince Sultan bin Abdulaziz discussed joint military cooperation and means to enhance bilateral ties, the Saudi official news agency (SPA) reported on Tuesday. It said Prince Sultan, who is also minister of defence, reviewed regional and interantional issues of common concern during his meeting in Jeddah with the Nigerian official. The Nigerian minister arrived earlier in the day starting a visit due to last for several days, the agency said.