TOKYO, November 3. /TASS/. DPRK launched another missile, believed to be a ballistic one, which has become the fourth launch Thursday, the Japan Coast Guard reported.

Pyongyang carried out the launch approximately one hour after publishing a statement, in which it called US’ and South Korea’s decision to prolong the Vigilant Storm joint exercise dangerous and promised that "they will find out that they have committed an irreversible mistake."

According to the Japan Coast Guard, the missile has already fallen into the sea. NHK reported citing its sources that the fall area us outside Japan’s exclusive economic zone.

North Korea has recently ramped up its missile launches amid the wide-scale Vigilant Storm US-South Korean military exercise involving about 240 planes. After another North Korean missile launch, Washington and Seoul decided to prolong the exercise that was supposed to en on November 4.