Debris from the lost submersible Titan has been returned to land after a fatal implosion during its voyage to the wreck of the Titanic captured the world's attention last week. Twisted chunks of the 22-foot submersible were unloaded at a Canadian Coast Guard pier on Wednesday. The Coast Guard is leading the investigation into why the submersible imploded during its June 18 descent. Coast Guard representatives declined to comment on the investigation or the return of debris to shore on Wednesday. Representatives for the National Transportation Safety Board and Transportation Safety Board of Canada, which are both involved in the investigation, also declined to comment.

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Persons: Jeff Mahoney, Mahoney, Carl Hartsfield, Liam MacDonald, Shahzada Dawood, Suleman Dawood, Hamish Harding, Paul, Henri Nargeolet Organizations: Titan, Canadian Coast Guard, Titanic, Research Services, Coast Guard, Marine Board, Investigation, Oceanographic Institution, Horizon, National Transportation Safety Board, Transportation, Board of Canada, National Transportation, OceanGate Expeditions, U.S, Stockton Rush Locations: St, John's, Newfoundland, Labrador, Canadian, Massachusetts, New York, U.S, Canada, Bahamas, Everett , Washington, England, Pakistan, France, British