Team GB Olympic cyclist Katy Marchant has sustained injuries to her arm and hand after a huge crash at a UCI Track Champions League event.
The collision caused the meet in London to be abandoned.
Marchant, part of the women's team sprint who stormed to gold in a new world-record time at the Paris Olympics, was competing in the women's keirin event at Lee Valley Velo Park.
The 31-year-old and Germany's Alessa-Catriona Propster collided during the heats, resulting in both flying over the barriers at speed and landing - along with their bikes - in the crowd.
The race was immediately stopped and both riders received medical treatment, along with four spectators, with Marchant taken to hospital for further assessment and the UCI confirming that the rest of the night's action was cancelled.
In an update on Sunday morning, British cycling confirmed that Marchant had fractured the radius and ulna in her right forearm and dislocated two fingers.
The statement added: "Katy is in good spirits and is receiving excellent care from her medical team.
"We wish her a full and speedy recovery."
When the incident occurred, Marchant was carried out of the velodrome and taken to hospital after receiving treatment at the scene for around 30 minutes.
Saturday's action in London was the last of five rounds in the UCI Track Champions League season, having started in France on November 23 before back-to-back rounds at Apeldoorn in the Netherlands the following weekend.
