The U.S. State Department has approved the possible sale of a THAAD anti-missile defense system to Saudi Arabia at an estimated cost of $15 billion.
South Korea and the United States on Thursday completed the deployment of a US missile defence system to counter North Korean threats.
China's President Xi Jinping pledged to make concerted efforts with S. Korea's President Moon Jae-in to address differences between the two countries properly.
The escalating threat arising from nuclear-armed North Korea's recent series of missile tests is prompting South Korea to beef up its military muscle.
China called for a halt to the deployment of the THAAD U.S. anti-missile defense system in South Korea
American forces successfully tried out Sunday a missile interception system the US hopes to set up on the Korean peninsula.
US said it successfully tested its THAAD missile defense system against an intermediate-range ballistic missile in the Pacific Ocean near Hawaii and Alaska