Donations to Philip Goodeve-Docker's fundraising page have exceeded £6, 500 in memory of the adventurer who died during an expedition over the Greenland ice caps.
So far the group, made up of Philip, Roan Hackney and Andy Norman, have reached 162% of their target. Click here to donate through their JustGiving page.
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Charlie Gard will "inevitably" die shortly after being moved to a hospice and having life-support treatment withdrawn.
The service has 1,366 people rammed into a dozen carriages designed for just 640.
The deadline for Charlie Gard's parents to reach an agreement with doctors on arrangements for his death has passed.