Daily Cuts - Titan submersible safety warnings

Former OceanGate employee David Lochridge says he raised safety concerns over the Titan submersible. One of the many safety concerns that was raised was about the material of the hull, carbon fibre. Asia First’s Arnold Gay and Justine Moss speak with Prof Stefan Williams, Australian Centre for Field Robotics, University of Sydney, who tells us if it is possible for a carbon fibre constructed submersible to go as far as 4000 metres.