Search effort under way for missing sub carrying five people near Titanic wreck – video

A search and rescue effort is under way to find a tourist submersible that went missing in the north Atlantic while on a dive to the wreck of the Titanic. The US Coast Guard said 'a small submarine with five persons onboard' had gone missing in the vicinity of the Titanic wreck and that the vessel had the capacity to be submerged for 96 hours. However it was unclear whether it was still underwater or had surfaced

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