Russian Foreign Minister Sergey Lavrov called Thursday for regular security talks involving North Korea and China as he expressed concern during his visit to Pyongyang over increased defense cooperation among the United States, South Korea and Japan, according to Russian media reports.Lavrov met with North Korean leader Kim Jong Un for one hour, Tass news agency said without elaborating. The Russian top diplomat's two-day visit to Pyongyang followed talks between Kim and Russian President Vladimir Putin in Russia's Far East on Sept. 13.Lavrov told reporters in North Korea that Moscow and Py…READ FULL ARTICLE