Britain’s new MI6 chief has a Nazi spy grandfather: What we know

Blaise Metreweli’s grandfather, Constantine Dobrowolski, defected from the Red Army to become Nazi Germany’s chief informant in Chernihiv, Ukraine. Known as 'Agent No 30', he served in the Geheime Feldpolizei, took part in Jewish exterminations and was the subject of a Soviet bounty. Now, his granddaughter is the UK’s first female MI6 chief

Explainers