Kim's sister warns N Korea ready to act against US, South

The influential sister of North Korea's leader warned Tuesday that her country is ready to take "quick, overwhelming action" against the United States and South Korea, a day after the U.S. flew a nuclear-capable B-52 bomber in a demonstration of strengthen against the North.

Monday's U.S.-South Korean training involving the B-52 bomber over the Korean Peninsula was the latest in a series of drills between the allies in recent months. Their militaries are also preparing to revive their largest field exercises later this month.

Kim Yo Jong didn't elaborate on any planned actions in her statement, but North Korea has often test-launched missiles in response to U.S.-South Korean military drills because it views them as an invasion rehearsal.

"We keep our eye on the restless military moves by the U.S. forces and the South Korean puppet military and are always on standby to take appropriate, quick and overwhelming action at any time according to our judgment," Kim Yo Jong said in the statement carried by state media.

"The demonstrative military moves and all sorts of rhetoric by the U.S. and South Korea, which go so extremely frantic as not to be overlooked, undoubtedly provide (North Korea) with conditions for being forced to do something to cope with them," she said.

After Monday's training, South Korea's Defense Ministry said the B-52's deployment demonstrated the allies' decisive capacities to deter North Korean aggressions. The U.S. deployed a long-range U.S. B-1B bomber or multiple B-1Bs to the peninsula a few times earlier this year. Last month, the U.S. and South Korea also held a simulation in Washington aimed at sharpening their response to North Korean nuclear threats.

Last Friday, the South Korean and U.S. militaries...