Tractor drivers who have been engaged in smuggling sand and gravels from rivers of Belaka municipality of Udayapur have been agitated after arrests of some of their colleagues. As a part of their protest against the municipality's strict rules against illegal resources mining from rivers, the tractor drivers picketed Belaka municipality office from Monday evening by placing around 4 dozen tractors before the municipality office.

Service seekers of Area Health Post and Birthing center were affected after the tractors blocked the road leading there. 

The protesters demanded the release of the arrested drivers.