It took around 30 hours for emergency teams to be able to reach Philip Goodeve-Docker's team and airlift them to safety but Mr Goodeve-Docker died before their arrival.
The London events manager was on the unsupported crossing with experienced expedition leader Roan Hackney and Andy Norman, a former IT professional, who both remain in a "critical condition" in hospital.
More top news
The mother of Alice Gross has told an inquest the family have unanswered questions about the circumstances of her death.
Official figures show speed cameras are targeting thousands of drivers in London as they drive to work in the early morning.
There will be a 'zero-tolerance' approach to hate crime the London mayor and Met police chief say.