US

South Korea says North Korea fired projectile into ocean

  • A visitor walks by the TV screen showing a news program reporting about North Korea's missile firing, at Seoul Train Station in Seoul, South Korea, Monday, March 6, 2017.  North Korea on Monday fired four banned ballistic missiles that flew about 1,000 kilometers (620 miles), with three of them landing in Japan's exclusive economic zone, South Korean and Japanese officials said, in an apparent reaction to huge military drills by Washington and Seoul that Pyongyang insists are an invasion rehearsal.  The letters on the top read " North Korea, Fire missile." (AP Photo/Lee Jin-man)

    A visitor walks by the TV screen showing a news program reporting about North Korea's missile firing, at Seoul Train Station in Seoul, South Korea, Monday, March 6, 2017. North Korea on Monday fired four banned ballistic missiles that flew about 1,000 kilometers (620 miles), with three of them landing in Japan's exclusive economic zone, South Korean and Japanese officials said, in an apparent reaction to huge military drills by Washington and Seoul that Pyongyang insists are an invasion rehearsal. The letters on the top read " North Korea, Fire missile." (AP Photo/Lee Jin-man)  (The Associated Press)

  • U.S. Army soldiers prepare their military exercise in Paju, near the border with North Korea, South Korea, Monday, March 6, 2017. North Korea on Monday fired four banned ballistic missiles that flew about 1,000 kilometers (620 miles), with three of them landing in Japan's exclusive economic zone, South Korean and Japanese officials said, in an apparent reaction to huge military drills by Washington and Seoul that Pyongyang insists are an invasion rehearsal. (AP Photo/Ahn Young-joon)

    U.S. Army soldiers prepare their military exercise in Paju, near the border with North Korea, South Korea, Monday, March 6, 2017. North Korea on Monday fired four banned ballistic missiles that flew about 1,000 kilometers (620 miles), with three of them landing in Japan's exclusive economic zone, South Korean and Japanese officials said, in an apparent reaction to huge military drills by Washington and Seoul that Pyongyang insists are an invasion rehearsal. (AP Photo/Ahn Young-joon)  (The Associated Press)

  • A member of Japan Self-Defense Force stands by a PAC-3 Patriot missile unit deployed against the North Korea's missile  firing, at the Defense Ministry in Tokyo, Monday, March 6, 2017.  North Korea on Monday fired four banned ballistic missiles that flew about 1,000 kilometers (620 miles), with three of them landing in Japan's exclusive economic zone, South Korean and Japanese officials said, in an apparent reaction to huge military drills by Washington and Seoul that Pyongyang insists are an invasion rehearsal. (AP Photo/Shizuo Kambayashi)

    A member of Japan Self-Defense Force stands by a PAC-3 Patriot missile unit deployed against the North Korea's missile firing, at the Defense Ministry in Tokyo, Monday, March 6, 2017. North Korea on Monday fired four banned ballistic missiles that flew about 1,000 kilometers (620 miles), with three of them landing in Japan's exclusive economic zone, South Korean and Japanese officials said, in an apparent reaction to huge military drills by Washington and Seoul that Pyongyang insists are an invasion rehearsal. (AP Photo/Shizuo Kambayashi)  (The Associated Press)

South Korea's military says that rival North Korea has fired a projectile into the waters off the North's east coast.

It was not immediately clear what was fired, but Pyongyang has staged a series of missile test-launches of various range in recent months. Leader Kim Jong Un is pushing for a nuclear and missile program that can deter what he calls U.S. and South Korean hostility toward the North.

The launch comes days after Seoul and Washington started massive joint military drills.

The South's Joint Chief of Staff said in a statement that Monday's launch was made in the Tongchang-ri area in North Pyongan province. The area is the home of the North's Seohae Satellite Station, where it has conducted prohibited long-range rocket launches in recent years.