Mark Cavendish's Omega-Pharma-Quick Step teammate Jerome Pineau said he was "ashamed" after a spectator threw urine over the British cyclist.
Yesterday i was So proud about the support all the race but today I am ashamed!!
Pineau added: "(I am) ashamed when my friend Mark Cavendish tells me he has been whistled and even sprayed with urine on the course. It's scandalous".
More top news
Passengers, including a pregnant woman, say they have been stranded since 4pm yesterday.
The boxer said it was the "least he could do" and even donated the £30,000 shorts he wore in his last fight against Devon Alexander.
By Sunday it should become drier with spells of winter sunshine but temperatures will still remain on the cool side.