World

Effort to Expose Russia's 'Troll Army' Draws Vicious Retaliation By ANDREW HIGGINS Finland is an active front in an online "information war" between Russia and the West. When a journalist there confronted pro-Putin agitators, she became a target. Sadiq Khan, London's New Mayor, and David Cameron Find Common Cause Fighting Brexit By STEVEN ERLANGER After heated exchanges during the recent mayoral campaign, the prime minister and Sadiq Khan of the Labour Party are working together on European Union vote. BEIJING JOURNAL Beijing's Electric Bikes, the Wheels of E-Commerce, Face Traffic Backlash By CHRIS BUCKLEY On the congested roads of China's capital, a conflict is playing out between increasing numbers of both car drivers and couriers on electric vehicles. For more world news, go to NYTimes.com/World »