South Korea and Russia have called for more to be done to urgently rein in North Korea, but Moscow also warned that sanctions and pressure alone would not work.

Appearing to reject calls to pressure the North through more sanctions, including cutting off oil supplies, Russian President Vladimir Putin said North Korea should not be driven into a corner. He was speaking after meeting his visiting South Korean counterpart Moon Jae In in Vladivostok.

Meanwhile, US President Donald Trump and British Prime Minister Theresa May said China should do more to deter North Korea, amid warnings that the latter could be planning more missile tests.

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