This article is more than 6 years old

This article is more than 6 years old

Guardian journalists have been recognised at the Paul Foot award 2013 for their work on the investigation into what files leaked by Edward Snowden revealed about the extent of mass surveillance by British and US intelligence agencies.

The £2,000 special investigation award, which was presented at the 9th annual ceremony in London, was won by James Ball, Julian Borger, Nick Davies, Nick Hopkins, Paul Johnson, Ewen MacAskill and Alan Rusbridger.

The Paul Foot award for investigative and campaigning journalism was been won by David Cohen of the London Evening Standard for his work on gangs, which formed part of the newspaper’s Frontline London campaign.

Private Eye and the Guardian set up the Paul Foot award in 2005 in memory of the campaigning journalist, who died in 2004.

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Ian Hislop, the editor of Private Eye, said: “The results of the Paul Foot award are a closely kept secret. Unless you work in GCHQ when you presumably have known for weeks. However what is not a secret is how impressive the entries are this year, how resilient investigative journalism is proving to be and how optimistic this made the judges feel.”

“We tried to reflect the impressive range in subject matter by recognising the coverage of both global and local issues, by honouring stories that involved President Obama as well as those that involved youngsters in London, by giving a prize to a whole newspaper as well as one to an extraordinary single journalist.”