Top US diplomat Rex Tillerson prepared to meet Chinese President Xi Jinping on Sunday just hours after a North Korean rocket engine test added new pressure on the big powers to address the threat from Pyongyang. (EPA photo)

BEIJING: Top US diplomat Rex Tillerson prepared to meet Chinese President Xi Jinping on Sunday just hours after a North Korean rocket engine test added new pressure on the big powers to address the threat from Pyongyang.

North Korean state media said early Sunday that the isolated regime had tested a powerful engine hailed by leader Kim Jong-Un as a "new birth" for its rocket industry.

The test seemed timed with the Beijing visit of the US Secretary of State, who has sought to ramp up pressure on defiant North Korea over its nuclear programme and missile threats.

After talks with his counterpart Wang Yi on Saturday, Tillerson warned that regional tensions had reached a "dangerous level."

The two diplomats pledged to work together toward denuclearising Kim's rogue regime, but did not offer clear details on how.

Tillerson was to meet with Xi around 11.00 am (0300 GMT).

It was not immediately clear whether the two would discuss North Korea's latest thumb in the eye.

The North's state news agency KCNA said Kim had overseen the rocket engine test and "emphasised that the whole world will soon witness what eventful significance the great victory won today carries" -- a possible warning to Pyongyang's adversaries.

The report hinted the new engine could be used to put a satellite in orbit.

Outside observers say the nuclear-armed Pyongyang's space programme is a fig leaf for military use, as rocket engines are easily re-purposed for missiles.

North Korea is banned by the international community from pursuing nuclear and missile programmes but has defiantly ploughed ahead.

It staged its two latest nuclear tests last year and recently fired off missiles that it described as practice for an attack on US bases in Japan. - AFP

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