Neither Mattis nor Song would address possible deployments of USA military equipment.
Washington and Seoul also wrapped up almost two weeks of joint war games that always anger Pyongyang, which considers them a rehearsal for an invasion.
Two U.S. B-1B bombers and four F-35 fighters participated in training with South Korean F-15 fighter jets, the official added.
Whenever such joint exercises take place, North Korea accuses the South and the United States of preparing for an invasion and often conducts its own military exercises and missile tests. "All options are on the table", he said. A Standard Missile-3 Block IIA jointly developed by the USA and Japan failed to intercept its target.
Secretary of Defense James Mattis said Thursday he and President Donald Trump are on the same page regarding North Korea after claims that suggested otherwise. O'Shaughnessy, commander of U.S. Pacific Air Forces, said in a statement.
Tensions on the Korean Peninsula are at their highest point in years after a series of missile tests by Pyongyang.
A photo from the missile launch this week.. It's believed that the rocket the North Koreans launched was a Hwasong-12, like the ones they threatened to launch near Guam.
The test comes amid North Korea's ballistic missile tests and rising tensions between the U.S and the North.
The test comes amid heightened tensions between North Korea and the U.S. Earlier this week, an intermediate-range missile, identified by the North Koreans as a Hwasong-12, was sacked over Japan. Japanese officials said it broke into three pieces before falling into the Pacific.
Earlier on Monday, South Korea's National Intelligence Service (NIS) told lawmakers that Pyongyang may be preparing for another test.
Lavrov told Tillerson that Russian Federation urges all parties to avoid a military solution to the crisis and added that Moscow views any new potential sanctions against North Korea as "counterproductive and risky".