Capital starts crackdown on illegal motorbikes, tricycles

Unregistered motorcycles and powered tricycles will be seized and riders and drivers who do not have licenses will be detained as part of efforts to control the increasing number of the vehicles in Beijing.

A campaign against the illegal use of the vehicles started on Monday amid fears about the safety of drivers and passengers.

"These motor vehicles pose a threat to passenger safety," said Li Shaoming, deputy director of the Beijing Traffic Management Bureau.