Novax Mr Djokovic?

Australia cancels visa for the world's top men's tennis player... We catch up with the BBC’s tennis guru Russell Fuller to find out what’s really going on.  Boris Johnson has confirmed Plan B rules will continue for three weeks. Vicki Young talks Adam through the latest in Westminster.  And what was the Theranos scandal all about? James Clayton (who's currently at the CES tech conference in the US) explains why it's gone very wrong for Elizabeth Holmes, the world's youngest self-made female billionaire. Today’s Newscast was made by Sam Bonham with John Murphy, Georgia Coan and Rachel Judah. The studio director was Emma Crowe and the assistant editor was Alison Gee.