Tom Watson has said ‘mob rule’ must not decide public contracts. Perhaps he should take a look at his new employer, says Guardian columnist George Monbiot

Russian meddling probably didn’t affect the referendum result – but the Kremlin’s motives for wanting to undermine the EU still matter, says Guardian columnist Rafael Behr

Sir Ken McCallum says Russia, Iran and emerging threats from AI were increasing the risks to Britain.

Exclusive: Some of £2bn savings needed from energy budget expected to come from boiler upgrade scheme, sources say