Vanthourenhout wins World Cup in Valkenburg

Organiser supportive of riders' protest, say 'our goal is to improve the safety of cycling'

Jasper Stuyven, Christophe Laporte round out podium

Yordi Corsus second for Pauwels Sauzen-Altez Industriebouw, Joran Wyseure third

'I was actually pretty confident I could do a good sprint' says defending champion after coming second to Magnus Bak Klaris in a four-way charge to the line