The commenters, created to look like real Facebook users, posted about elections, Covid-19 and policy matters. They weighed in most frequently on Facebook pages of the Washington Post, Fox News, MSNBC, CNN and the New York Times.

Earlier: Social Media Braces for a Deluge of Voter Misinformation

Facebook pulled the network of accounts for inauthentic activity. The company linked the group to Rally Forge, a U.S. marketing firm, working for Turning Point USA and the Inclusive Conservation Group. Turning Point USA encourages young people to get involved in conservative causes.

Rally Forge is now banned from Facebook, as is their influence effort of 200 Facebook accounts, 55 pages and 76 Instagram accounts. The group also spent about $973,000 in Facebook ads.

Read more: Disinformation Actors Gear Up for U.S. Elections

Twitter Inc. also disclosed a group of information operations on Thursday, and said it removed 1,594 accounts from the service for “various violations of our platform manipulation policies.”

None of the five networks pulled by Twitter originated in the U.S. The largest group was 926 accounts from Thailand that were amplifying pro-government and pro-military content. Twitter said the network was one it could “reliably link to the Royal Thai Army.”