IZU, Japan (Reuters) - Dutch medal contender Laurine van Riessen was carried off on a stretcher after a high-speed crash involving Britain's Katy Marchant in the women's Olympic keirin event at the Izu Velodrome on Thursday.
The crash occurred during a quarter-final heat when Van Riessen lost control of her front wheel and slid across into the path of Marchant, before both riders fell.
