The US secretary of state canceling his meeting with Russia's foreign minister is the latest sign that diplomatic avenues with Russia over Ukraine are closing

President Joe Biden will address the Ukraine crisis Tuesday afternoon as the White House prepares to announce "significant" new sanctions on Russia while grappling with what one senior US official deemed the "beginning of an invasion" of Ukraine.

The US secretary of state canceling his meeting with Russia's foreign minister is the latest sign that diplomatic avenues with Russia over Ukraine are closing
President Joe Biden will address the Ukraine crisis Tuesday afternoon as the White House prepares to announce "significant" new sanctions on Russia while grappling with what one senior US official deemed the "beginning of an invasion" of Ukraine.