Haldwani. Haldwani Municipal Corporation of Uttarakhand demolished an illegal madrassa built in the city with a bulldozer on Thursday. Let us tell you that a building was being built here for offering Namaz, it was also demolished. After which angry people pelted stones at the police and administration. During this period, four people died and 300 policemen and corporation employees were injured. Curfew has been imposed in view of the violent situation in the area.