North Korea conducts a fourth presumed missile test in a month

North Korea conducted what is presumed to be its fourth missile test of the year on Monday, firing two projectiles into the ocean off the east coast of the Korean Peninsula, according to South Korea's Joint Chiefs of Staff.

Japanese Defense Minister Nobuo Kishi said two ballistic missiles were fired three minutes apart from the western section of North Korea.

Early estimates from Japan put the flight of the missiles at about 300 kilometers (186 miles) with a maximum altitude of 50 kilometers (31 miles), Kishi said.