North Korea has fired a long-range missile which flew for 74 minutes - the longest flight time ever recorded.

According to Japanese defence officers, it travelled at an altitude of three,728 miles (6,000km) with a spread of 621 miles (1,000km) earlier than touchdown in waters between the Korean Peninsula and Japan.

It follows heated current complaints from Pyongyang that US spy planes have violated airspace.

Japanese defence minister Yasukazu Hamada mentioned that the missile was possible launched on a lofted trajectory - nearly vertically - which North Korea sometimes does to keep away from neighbouring international locations when it checks long-range missiles.

It was detected by South Korea's navy at round 10am, the nation's joint chiefs of workers mentioned in an announcement. It referred to as the launch "a grave provocation".

According to some consultants, the weapon launched was the road-mobile Hwasong-18 solid-fuel intercontinental ballistic missile (ICBM). It is tougher to detect and intercept than different liquid-fuel ICBMs.

North Korean chief Kim Jong Un beforehand referred to as the missile his strongest nuclear weapon, that may improve the North's counterattack capabilities within the face of US navy threats.

Japanese Prime Minister Fumio Kishida, is in Lithuania to attend a significant NATO summit, ordered his workers to assemble info and keep alert to organize for unpredicted occasions, in accordance with the prime minister's workplace.

He mentioned the peace and stability each of the area and the worldwide neighborhood had been threatened on account of the launch, and that Japan had lodged a protest by way of diplomatic channels in Beijing.

Mr Kishida is predicted to fulfill with South Korean President Yoon Suk Yeol on Wednesday, and Japan's chief cupboard secretary Hirokazu Matsuno mentioned a summit was additionally deliberate with South Korea, Australia and New Zealand.

"We will respond in close cooperation with the international community," Mr Matsuno mentioned.

The launch got here after North Korea launched a collection of statements accusing the US of flying a navy airplane to spy on the North.

Kim Yo Jong, the influential sister of Mr Kim, warned the US of "a shocking incident" in an announcement on Monday, wherein she claimed the spy airplane flew over the North's unique financial zone eight instances earlier within the day.

She mentioned warplanes have been deployed to chase the US airplane away.

In one other assertion on Tuesday, Ms Kim mentioned the US navy would expertise "a very critical flight" if it continues its aerial spying actions. North Korea's navy individually threatened to shoot down the spy airplane.

Both the US and South Korea dismissed the accusations and urged North Korea to chorus from any behaviour that raised animosities.

Leif-Eric Easley, a professor at Ewha University in Seoul, mentioned the statements in opposition to the US have been a part of a North Korean sample of "inflating external threats to rally domestic support and justify weapons tests".

Before Wednesday, North Korea's most up-to-date long-range missile test happened in April, when it launched the Hwasong-18 ICBM for the primary time.