The head of Russia’s GRU military intelligence agency, General Igor Korobov, has died aged 62, Russia’s defence ministry says.

Gen Korobov, who took up the post in 2016, is said to have died after “a serious and long illness” on Wednesday.

The GRU was this year linked to a nerve agent attack in Britain on Russian ex-spy Sergei Skripal and his daughter.

Gen Korobov is understood to have faced criticism by Russian officials over the failure of the operation.

The attack on Mr Skripal, 66, and his 33-year-old daughter, Yulia, in Salisbury on 4 March led to them requiring weeks of hospital treatment.

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