KARACHI, Pakistan North Korea on Monday blasted annual joint military drills by the US and South Korea, calling them a "planned and provocative nuclear war rehearsal." Pyongyang warned that it will continue to strengthen its striking power to overwhelm any threats from its enemies, the state-run Korean Central News Agency (KCNA) reported. The condemnation came from the disarmament and peace institute at North Korea's Foreign Ministry after South Korea and the US wrapped up the 11-day annual