JEDDAH: King Salman met the President of Niger, Mahamadou Issoufou, at his palace in Riyadh on Monday. The leaders held talks on boosting ties between their countries, and ways of developing them in various fields. They also discussed regional developments, the Saudi Press Agency reported.  The King welcomed the President and his accompanying delegation in the Kingdom, while the President expressed his happiness to visit Saudi Arabia.  Niger has a population of around 20 million people, and is knwon to be the world’s top uranium producer.