NEW : The rescued passengers were South Koreans on their honeymoon . Vivian Shafer , a passenger from Maryland , told CNN there was no initial announcement after the vessel began its tilt . The crew is being investigated for abandoning ship and manslaughter . An estimated 126 Americans were among the 3,200 passengers . Hundreds of people are unaccounted for , but will be at hospitals and shelters .
NEW : The rescued passengers were South Koreans on their honeymoon . The crew is being investigated for abandoning ship and manslaughter . An estimated 126 Americans were among the 3,200 passengers . Hundreds of people are unaccounted for , but will be at hospitals and shelters .