A TV motorbike had to stop suddenly after spectators came onto the road.
It resulted in a massive pile-up involving Froome, Australia's Richie Porte and Dutch rider Bauke Mollema.
SBS cycling commentator David McKenzie has told Greg Dyett race organisers are blaming the windy conditions for their failure to set up crowd barriers for the final kilometres of stage 12.
And you can get more information on the Tour de France by going to our website sbs.com.au.cyclingcentral

