IMB PRC: Number of Crew Members Held Hostage Increasing YoY 29 October 2018 IMB PRC: The number of crew members held hostage increasing in comparison to the same period in 2017.Author: Capt. Johnhttps://worldmaritimenews.com/archives/263467/imb-prc-number-of-crew-members-held-hostage-increasing-yoy/