Sharply, after its launch on the New York Stock Exchange. In china, we witness the official efforts to silence popular criticism ahead of the National Peoples congress. And jackies Life Afterjfk the lost letters which reveal a love affair with a senior british diplomat. And coming up in sportsday later in the hour on bbc news high drama in dubai for andy murray. After an epic tie break, the world number one is into the the semifinals. Good evening. One of president trumps most trusted colleagues, the us Attorney GeneralJeff Sessions, is under intense pressure tonight. Hes facing allegations that he lied under oath about his contacts with russian officials during the election campaign. But mr sessions, speaking within the past hour, has denied any improper contact and hes announced that hell not be involved in the official investigation into claims of russian influence in the president ial election. Our North America editor jon sopel reports. Marine one touching down on the navys newest