Hundreds of people riding bikes were arrested from different parts of the metropolis on Monday over violation of pillion riding ban. According to a private television channel, several announcements were made by the authorities last night to curb the recent wave of violence in the city. However, the pillion riding ban was being implemented more rigorously. As people left their homes for offices, police got into action and arrested hundreds of bike riders. The arrested persons have been sent behind bars in different police station