"North Korea missile explosion deliberate, experts sayBy Park Si-so - Posted : 2017-04-30 13:27The mid-air explosion of a North Korean missile on Saturday morning was deliberate, not a failed launch as claimed, South Korean government officials say. It is believed the North was testing a warhead explosion, an essential step toward testing a nuclear warhead explosion. "We don't believe the mid-air explosion was an accident," cable news channel YTN quoted a government official as saying. "It's believed the explosion was a test to develop a nuclear weapon different from existing ones." The nuclear-armed isolated country fired a ballistic missile on...