Police arrested three youths on the charge of putting truck on fire at Kolbung-9, Jholudanda of Ilam along the Mechi Highway on Wednesday. The arrested are Suraj Thebe, Sujan Limbu and Arun Mawo of Shantinagar-1, Jhapa. A group of seven youths coming from Shantinagar had torched a truck (Me 1 Kha 1841) en route to Ilam from Dulabari. Four other youths involved in the incident are still at large, police said. A police team mobilized from the Area Police Office, Pashupatinagar under the command of Inspector Padma Thapaliya had arrested the unruly youths. The arrested furnished explanations that they had put truck on fire for defying their strike. The youths have been associated to Federal Limbuwan Party Nepal., police said.