Spectator who caused Tour de France crash arrested

Organisers have threatened to sue the French woman who caused the incident

Italy's Kristian Sbaragli, left, and France's Bryan Coquard, right, lie on the ground after crashing during the first stage of the Tour de France cycling race 

A spectator who caused a massive pile-up during the first stage of the Tour de France has been arrested after presenting herself at a police station.

The spectator, a 30-year-old French woman, is in custody at a police station in Landerneau, Brittany, the northwest French region where the Tour de France, the world's biggest cycling event, held its first four stages.