North Korea tests missile hours before South Korea launches new submarine

North Korea has fired a projectile presumed to be a short-range missile into waters off the east coast of the Korean Peninsula, according to statements from South Korean officials -- just hours before Seoul launched a new submarine.

North Korea tests missile hours before South Korea launches new submarine
North Korea has fired a projectile presumed to be a short-range missile into waters off the east coast of the Korean Peninsula, according to statements from South Korean officials -- just hours before Seoul launched a new submarine.