Historians are still poring over thousands of pages of digital documents related to the 1963 assassination of US president John F Kennedy, but experts say there is unlikely to be a &smoking gun& in them that will materially change what we already know.

Pope Francis is no longer using mechanical ventilation for help breathing at night and his doctors believe he will continue to improve, the Vatican said yesterday, in the latest positive update as the 88-year-old pontiff battles pneumonia.

Turkey detained Istanbul mayor Ekrem Imamoglu, the main rival of president Tayyip Erdogan, on charges of corruption and aiding a terrorist group in what the main opposition party yesterday called &a coup against our next president&.

Mexico&s top prosecutor said yesterday there had been flaws in the investigation of a ranch in the western state of Jalisco, which activists have called a cartel-run &extermination camp&, and vowed to uncover the truth of what happened there.