The Wall Street Journal reports:

White House national security adviser Jake Sullivan warned Sunday that a Russian invasion of Ukraine could be imminent and might entail a high cost for the civilians living there.

“We are in the window,” Mr. Sullivan told Fox News Sunday. “Any day now, Russia could take military action against Ukraine or it could be a couple of weeks from now, or Russia could choose to take the diplomatic path instead.”

Russia has 83 battalion tactical groups poised near the country, a substantial increase from the 53 groups it had in December and 60 last month, according to officials familiar with U.S. intelligence assessments. [Continue reading…]