Lost at sea

Cameras follow the investigation into the Titan submersible catastrophe

- HANNAH DAVIES, IAN MACEWAN, REBECCA MAHONEY

Two years ago, the world watched in horror as a frantic search-and-rescue mission was launched for the Titan submersible, which had been diving 12,500ft beneath the Atlantic Ocean as part of a tourist expedition to explore the wreckage of the Titanic.

On board were 19-year-old University of Strathclyde student Suleman Dawood and his father Shahzada, 48. Their fellow crew members were businessman Hamish Harding, submariner Paul-Henri Nargeolet, and the pilot and CEO of Titan's owners, Stockton Rush.

TRAGEDY

Less than two hours into the voyage, however, the submersible lost contact with its surface ship, the