by Giles Hewitt SEOUL, South Korea (AFP) — South Korea and the United States kicked off their largest-ever joint military drills on Monday, prompting fresh warnings from North Korea of “indiscriminate” nuclear strikes against Seoul and the US mainland. The annual exercises always raise tensions on the divided Korean peninsula and the situation is particularly volatile this year, given the North’s recent nuclear test and long-range rocket launch and its fury over the tough UN […]