http://edition.cnn.com/2017/05/21/asia/north-korea-fires-unidentified-projectile/index.htmlNorth Korea fired an unidentified projectile from areas near Pukchang in North Korea, according to a press release by South Korean military's Joint Chiefs of Staff.
Looks to be a successfull test
https://twitter.com/willripleyCNN/status/866219864511229954South Korea JCS saying North Korea 'fired an unidentified ballistic missile' that flew about 500km (310 miles). SK, US & Japan now analyzing