Shameful behavior? Propaganda charade? The rhetoric war between North Korea and the Trump administration hasn't skipped a beat in Pyeongchang.

Just one day into the Pyeongchang Winter Olympics, North Korea's state-run media is slamming U.S. Vice President Mike Pence for "shameful" and "snobbish" behavior not in line with the spirit of the Olympics.

Pence, meanwhile, has fired off a tweet accusing the North of putting on a "propaganda charade."