The nation’s federal law enforcement and election security agencies are debunking two new examples of Russian election disinformation.

Russia, and to a lesser extent Iran, will most likely flood social media with misinformation on Election Day and for weeks afterward, the agencies said.

In a joint statement released Monday, the Office of the Director of National Intelligence, FBI and Cybersecurity and Infrastructure Security Agency said Russia and Iran remain active threats to undermine public confidence in the election.

Russia is expected to intensify attempts to undermine the U.S. vote on election day with a focus on swing states, U.S. intelligence agencies said in a statement on the eve of the election on Nov. 4.

Eight years after Russia interfered in the 2016 presidential election, foreign influence with American voters has grown more sophisticated. That could have outsize consequences in the 2024 race.

The intelligence community warned late Monday that U.S. adversaries are intensifying disinformation efforts around Election Day by promoting false claims surrounding voting. Russia, in particular, has been pushing false conspiracies that election officials are coordinating fraud,