This week Pyongyang's state-run news agency said its army would complete plans in mid-August to fire four intermediate-range missiles over Japan to land near Guam, a US territory and military base, amid increasingly heated rhetoric over the North Korea's nuclear weapons program.
Guam's governor Eddie Calvo said there was no heightened threat but the government had issued a preparedness fact sheet, which covered what to do before, during and after a nuclear attack.
