North Korea has launched an additional projectile toward the sea, South Korea says

SEOUL, South Korea -- South Korea says North Korea has conducted an additional launch, firing a projectile toward the sea after launching a short-range ballistic missile earlier in the day.The South’s military said the projectile was launched off North Korea’s east coast on Sunday. It gave no further details. Earlier Sunday, South Korea’s military said North Korea had launched a short-range ballistic missile toward the North’s eastern waters.THIS IS A BREAKING NEWS UPDATE. AP’s earlier story follows below.SEOUL, South Korea (AP) — North Korea launched a short-range ballistic missile toward the sea on Sunday, South Korea's military said, two days after the North threatened to bolster its nuclear deterrent capabilities and respond to what it called U.S. hostilities. South Korea's military said the missile flew about 450 kilometers (280 miles) toward the North’s eastern waters. The military said it has boosted its surveillance posture and was closely exchanging information on the launch with the United States and Japan.South Korea's presidential office urged North Korea to immediately halt ballistic missile launches that are banned by U.N. Security Council resolutions. It said South K...