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(CNN) - Families of missing Flight 370 passengers, some of whom had held out hope their relatives somehow were still alive, received devastating news Monday, when Malaysian Prime Minister Najib Razak announced Malaysia Airlines Flight 370 went down in the southern Indian Ocean, citing a new analysis of satellite data by a British satellite company and accident investigators.
A relative of a missing passenger briefed by the airline in Beijing said, "They have told us all lives are lost."
Captain Bimal Sharma, whose sister Chandrika is on board the missing plane, says he hopes investigators will continue the search. He tells CNN's "The Lead with Jake Tapper" he needs to see debris from the aircraft, and the flight-data and cockpit-voice recorders "to know what exactly happened, because there are too many unanswered questions."
Sharma has been a captain in the Indian merchant navy for several years, sailing for 38 years. He has sailed the oceans that investigators are now searching, and says the area is littered with garbage.
“They have not found any debris, they have not found the black box, and they have concluded on the basis of satellite blips,” said Sharma.
For more of our interview with Bimal Sharma, watch the video above.