An electric bike driver has been detained in Kunming, Yunnan province, after beating up a tourist who turned down his services, according to police.

A female university student, 21, was punched in the face and hit in the head on Thursday after a confrontation with a driver looking for business, the city's public security bureau said on Sunday.

Police said the two had an altercation after the student refused the driver's services, and the man, 26, followed her and assaulted her.