Two short-range ballistic missiles, believed to have been Scud missiles, were launched at 5:20 am from the North Hwanghae province in North Korea's Western region, media reported.

The missiles flew about 500 km and landed in waters northeast of North Korea's coastal town of Wonsan in the East Sea.

It marked the first time in 2016 that North Korean forces fired short-range ballistic missiles. Pyongyang fired off six rounds of its 300-mm multiple rocket launchers into eastern waters on March 3.

The firings of short-range missiles and artillery shells in the past week were seen as an apparent show of anger at the joint US-South Korea military exercises that kicked off on Monday in the largest-ever scale.

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