AUTHORITIES rejected an attempt by a convict — set to be executed in a high-profile case last night for killing a Georgia police officer — to show his innocence by taking a polygraph test.

Supporters of American death row inmate Troy Davis in the US and Europe tried just about anything to spare him from lethal injection tonight for killing a Georgia policeman, a crime he and others have insisted for years that he did not commit.

Rockers Guns N' Roses are threatening to sue the bosses of US soft drinks firm Dr Pepper over a publicity stunt gone wrong.