Prominent businessman Shahzada Dawood and his son are among the individuals missing after a submersible, operated by OceanGate Expeditions, lost contact while exploring the Titanic wreckage. The 21-foot tourist craft started its descent on Sunday but went off the radar less than two hours later.

The vessel, carrying Engro Vice Chairman Shahzada Dawood and his son Suleman, has a limited oxygen supply of 96 hours. Multiple government agencies and deep-sea companies are leading a rescue effort to establish contact and ensure their safe return.

Here’s Engro Corporation’s statement:

The missing craft also includes British businessman Hamish Harding and renowned French explorer Paul-Henri Nargeolet, along with OceanGate CEO Stockton Rush. Coastguards are conducting search operations in the remote North Atlantic area where the Titanic lies, approximately 13,000 feet underwater.

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