The US state of California’s power grid operator has declared an energy emergency, warning that it may institute rolling blackouts to curb a surge in demand, which has hit all-time record highs as residents crank up the AC to escape an unprecedented heat wave.

Ukraine has said it found no evidence of being attacked with such weapons, despite Washington’s assertion The US is peddling false information when claiming that Russia used North Korean missiles to attack Ukrainian targets, Moscow’s envoy to the UN Vassily Nebenzia told a Security Council meeting on Wednesday.

The central bank had previously hiked rates at five successive meetings over a six-month period Russia’s central bank left its key interest rate unaltered at 16% at its scheduled meeting on Friday, saying that tight monetary policy will be necessary to return stubborn inflation back to target levels.