<p>Seoul: North Korea fired an unidentified missile off its east coast on Thursday, South Korea's military said.</p><p>Japan's Coast Guard also said the projectile, believed to be a ballistic missile fired from North Korea, had already fallen.</p>.North Korea's Kim Jong Un vows to exponentially boost nuclear arsenal.<p>North Korea last fired a missile on July 1, but has been sending balloons carrying trash across the border into the south over the last few days</p>
<p>Seoul: North Korea fired an unidentified missile off its east coast on Thursday, South Korea's military said.</p><p>Japan's Coast Guard also said the projectile, believed to be a ballistic missile fired from North Korea, had already fallen.</p>.North Korea's Kim Jong Un vows to exponentially boost nuclear arsenal.<p>North Korea last fired a missile on July 1, but has been sending balloons carrying trash across the border into the south over the last few days</p>