Thomson Reuters Twitter says it found more Russia-linked accounts that shared US election-related material during the 2016 race for the White House. The social-media platform published the analysis on its blog Friday. In addition to other findings, Twitter said it discovered 13,512 accounts engaged in what it believed to be "automated, election-related activity originating out of Russia," bringing the total number of such accounts to 50,258. These accounts, sometimes referred to as "bots," played a significant role in the spread of misinformation and propaganda-style messages favoring Donald Trump and criticizing his 2016 Democratic rival, Hillary Clinton. Twitter posted new information Friday that sheds light on US-election interference activity linked to Russia that was carried out on its platform. The company said that it found another 13,512 accounts that engaged in what it believed to be "automated, election-related activity originating out of Russia." That brings the total number of such accounts to 50,258, according to Twitter. In a blog post published Friday, Twitter said those accounts represented about 0.016% of the total subscribers on the platform at the time, but it emphasized the seriousness of the findings. "Any such activity represents a challenge to democratic societies everywhere," Twitter said.