SEOUL, South Korea (AP) - South Korea's Defense Ministry says that a North Korean launch of a missile appears to have failed.

The ministry on Friday did not immediately give any other details of the launch, which comes as the two Koreas trade threats amid Pyongyang's anger over annual South Korean-U.S. military drills that North Korea calls a rehearsal for an invasion.

The North has fired a slew of missiles and artillery shells into the sea in an apparent protest against the drills.

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