Sky rider injured again less than a month after he returned to action following a fractured vertebra.
List of events taking place at the 2014 UCI Road World Championships in Ponferrada, Spain, over September 21-28
Manxman has swollen hip and thigh, but did not require hospital attention last night.
Marcel Kittel comments on the opening stage of the 2014 Tour of Britain in Liverpool
British cyclo-cross and road race round-up (Sept 6-7): News and results from around the UK
Manxman fell heavily after hitting Rapha Condor-JLT team car attempting to rejoin peloton after comfort break.
Images from the opening stage of the 2014 Tour of Britain, won by Marcel Kittel. Photos by Andy Jones
Images from stage 15 of the 2014 Vuelta a Espana. Photos by Graham Watson
Mark Cavendish involved in crash during Tour of Britain opener; Marcel Kittel takes race lead
Overall contenders fight it out for time on final climb; Alberto Contador maintains lead