Weekend - North Korea warning of a return to “exchanges of fire”

On Sunday North Korea condemned the US for stepping up sanctions and pressure

• The country also returned to harsh rhetoric, warning of a return to "exchanges of fire"

Last week the US introduced sanctions on three North Korean officials.

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Rising tension with NK usually will see FX flows into the yen. But remarks like this from NK are not that infrequent and have become humdrum. They are a testy bunch.