Fan with a sign did the dirty deed...
<blockquote class="twitter-tweet"><p lang="en" dir="ltr">A huge crash at <a href="https://twitter.com/hashtag/TDF2021?src=hash&ref_src=twsrc%5Etfw ">#TDF2021</a> this morning was caused when a spectator held out a sign and struck a rider.<br><br>Jasha Sütterlin was forced to withdraw from the race due to an injury sustained in the crash, according to <a href="https://twitter.com/LeTour?ref_src=twsrc%5Etfw">@LeTour</a>. <a href="https://t.co/XCcEjHRAGp">pic.twitter.com/XCcEjHRAGp</a></p>— NBC Sports (@NBCSports) <a href="https://twitter.com/NBCSports/status/1408816907919187977?ref_src=twsrc%5Etfw" >June 26, 2021</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
Fawk.