India, Dec. 14 -- Guwahati

A truck driver died in central Assam's Sonitpur district on Saturday after rampaging protesters set his vehicle on fire as Assam's chief minister appealed for calm to contain violent clashes that have roiled the north-east over changes to India's citizenship laws.

The empty oil tanker was on its way from Sipajhar in Udalguri district when it was set ablaze by protesters at Dhekiajuli in Sonitpur on Friday night, police said. The driver of the tanker was taken to a private nursing home where he succumbed to severe burn injuries on Saturday morning, they said.

This came as student groups across the north-east organised sit-ins and road blockades, and the All Assam Students Union - which is spearheading the demons...