A mob set blaze a truck alleging that cows and buffaloes were being illegally transported in the vehicle and tried to block Jammu-Pathankot highway in Kathua district of Jammu & Kashmir on Monday, prompting the police to use batons and fire teargas shells to disperse the violent protesters, officials said. Tension prevailed in Hiranagar area after the incident in village Pathwal and additional police personnel have been deployed there. A group of people stopped the truck carrying eight cows and buffaloes in the village around 10.50 am and set ablaze the vehicle after “rescuing” the animals, an official said.