White House national security adviser Jake Sullivan warned Sunday of “plenty of reasons to be concerned” about Russia interfering in the 2024 election, though said, “I can’t speak to evidence.”

“I can’t speak to evidence today, but I can tell you, of course, there are concerns,” Sullivan said on NBC’s Meet the Press. “There is a history here in presidential elections by the Russia Federation by its intelligence services, and there’s plenty of reasons to be concerned.”