New Delhi, April 2 -- Eight cruise ship passengers, including a pregnant woman and an elderly man with a heart condition, were left stranded on an African island after their Norwegian Cruise line ship departed without them, A couple from South Carolina, said they are stuck on the Central African island of Sao Tome with four other American and two Australian passengers after the captain of the ship allegedly refused to let them reboard. The eight passengers left behind have now been struggling for days to catch up with their ship. ''We have never had an experience like this before,'' said one of the abandoned passengers. Notably, the passengers were late getting back to the ship on March 27, according to a statement from Norwegian Cruise Lin...