Top Stories: Russian Meddling In Social Media; Uber Loses London License

Good morning, here are our early stories:---- The Next Big Focus In The Russia Investigations: Social Media.-- Uber To Lose License In London: 'Not Fit And Proper', City Says.-- Snow Falls In The Sierra Nevada On Summer's Last Full Day.And here are more early headlines:North Korea Threatens To Test Hydrogen Bomb In Pacific. (USA Today)Man Charged With Attempted Murder In London Tube Bombing. (BBC)Hurricane Maria Brings Hurricane Conditions To Turks And Caicos. (NHC)Iran Vows To Beef Up Missile Capabilities. (VOA)Mexican Rescuers Search Quake Collapsed Buildings. (Al Jazeera)Spanish Police Arrest New Man Over Barcelona Attacks. (AFP)Nepal Says It Will Do Its Own Height Survey Of Everest. (Telegraph) Copyright 2017 NPR. To see more, visit http://www.npr.org/.