South Korea is preparing to shoot down a North Korean rocket if it strays into the South's territory during a launch planned for next month, the defence ministry said Monday. The South Korean and US military are closely monitoring activity at the Tongchang-ri base, a ministry spokesman said, a day after Seoul confirmed the main body of a rocket had been moved to the site in the North's northwest. Seoul is concerned that the first stage of the rocket, scheduled to drop into the Yellow Sea between South Korea and China, may fall onto the South's territory, the spokesman said....