The intermediate-range ballistic missile was launched by North Korea today. (Reuters)

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The intermediate-range ballistic missile launched by North Korea today "greatly exceeded" an altitude of 2,500 kilometres (1,560 miles), Japan's Defence Ministry said.The missile flew 930 kilometres (580 miles) before landing in Japan's Exclusive Economic Zone (EEZ), the South Korean military and Japanese government said. Tokyo strongly protested what it called a clear violation of UN resolutions.