An undated photo released by North Korea's official news agency KCNA on Saturday shows rockets being launched during an exercise at an undisclosed location in North Korea. North Korea fired three short-range ballistic missiles on the same day, the US
Caption: 
An undated photo released by North Korea's official news agency KCNA on Saturday shows rockets being launched during an exercise at an undisclosed location in North Korea. North Korea fired three short-range ballistic missiles on the same day, the US military said, following weeks of heightened tensions between Washington and Pyongyang.
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PHOTO: AGENCE FRANCE-PRESSE/KCNA VIA KNS