Froome retains yellow jersey as Peter Sagan enjoys photo-finish stage win

Peter Sagan won stage 16 of the Tour de France in a photo-finish ahead of Alexander Kristoff, while Chris Froome stayed safe in the yellow jersey.

World champion Sagan took his third stage victory of this Tour by a tiny margin at the end of a 209km stage from Moirans-en-Montagne to Berne.