No 10 staff will be able to give evidence confidentially to inquiry into whether PM lied over Partygate – as it happened

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• Boris Johnson seeks to defuse row over abandoning defence spending pledge

Britain is imposing sanctions on Russia's second richest man and a cousin of the president, Vladimir Putin, in the latest round of measures targeting allies of the Russian leader, PA Media reports. PA says:

Among those sanctioned are Vladimir Potanin - Russia's second richest man and owner of the Interross conglomerate - and Mr Putin's cousin, Anna Tsivileva, who is president of the JSC Kolmar Group coal mining company, the government has announced.

The government is also sanctioning a group of Russian individuals and companies for their involvement in repressing civilians and supporting the Assad regime in Syria.