Two accounts that Facebook Inc. said appear to have ties to Russian operatives amassed more than half a million followers in the past couple of years with posts, ads and events that stoked strong emotions over issues including race and immigration.
Wall Street Journal: Facebook users were unwitting targets of Russia-backed scheme
The Facebook-logo is pictured on the sidelines of a press preview of the so-called "Facebook Innovation Hub" in Berlin on Feb. 24, 2016.
