BBCs foot in mouth?....

Just heard on BBC radio: the story of two double-leg amputees who have climbed Mt Kilimanjaro, Africa's highest peak.  Uplifting (...) story of a couple of blokes aiming to show that handicaps are no barrier to major achievement.
At the end of the piece, the Beebs said that the climb was not without incident.

"At one stage on the scree slope, one of the men lost his footing and slid down".

I thought he'd already lost his footing....