Italy's legislative elections have been marred by Russian state-sponsored online activity aimed at boosting support for the far-right, Spanish daily El Pais reported Saturday.

El Pais analysed over one million posts from just under 100,000 profiles, tracing stories published by Russia’s state-sponsored propaganda outlet Sputnik, which published anti-NGO and anti-immigration Italian-language content that was then shared online, mostly on Facebook and Twitter.

The online presence of Sputnik – ...