Dad of late North Korea prisoner Otto Warmbier to attend Olympic ceremony

US Vice President Mike Pence has invited the father of the late former North Korea prisoner Otto Warmbier to the opening ceremony of the Winter Olympics in Pyeongchang. "Honored that Fred Warmbier, father of Otto Warmbier, will join us at @pyeongchang2018 in S Korea," Pence tweeted as he departed for a five-day visit to Asia.