[Rio]

I suspect that “rope snapped” is mis-reported. Time will tell. The BBC article quoted is the only one that I can find that claims this.

[Henchster]

Yeah, ropes don’t often snap...but pitons often let go.

[Sirius Lee]

I suspect that “rope snapped” is mis-reported.

Some aspect of protection failed.

I hope the guy died right away, and not just wedged/lingered in a crevasse, waiting...

[moonhawk]

climbing rope cuts easily when stretched under full weight.