JACK STUBBS RIVAL French and Russian disinformation campaigns have sought to deceive Internet users -- and unmask each other -- in the Central African Republic (CAR) ahead of a December 27 presidential and parliamentary election, Facebook has said. Facebook said it was the first time it had seen such a direct battle of the trolls by competing foreign states on its platforms, with the rivals' fake accounts denouncing each other as "fake news". The company said it had suspended three networks totalling almost 500 accounts and pages for so-called "coordinated inauthentic behaviour". One network was linked to "individuals associated with…