The incident took place this evening when some unidentified persons shot dead Singhasan Yadav (38) leading to protest by villagers, they said.
The agitated villagers gheraoed Mahrajganj police station, hurled stones and later set it afire in which over a dozen bikes, recored room, mess, constables room and 12 rifles were gutted, police said.
Senior officials including DM and SP have reached the spot and trying to control the situation.
