Censor.NET reports citing BBC.
According to Sessions, they were talking about terrorism and then "somehow the subject of Ukraine came up."
Sessions met with Kislyak in September 2016.
"I never had meetings with Russian operatives or Russian intermediaries about the Trump campaign," the U.S. official said.
Earlier, The Washington Post reported that U.S. Attorney General Sessions had concealed his last year encounter with Moscow's envoy. As a result, he removed himself from an FBI inquiry into alleged Russian meddling in the U.S. election.
Related materials: President Trump