At the time of occurrence of a serious accident or disaster at any place if it appears to the senior most police officer present at the spot that any dispute or conflict of opinion or contention or confusion etc, exists there which may be a ground for the possibility of an imminent and grave disturbance of the peace or violation of law and order or causes great inconvenience to the general public or danger, he may give such orders as the circumstances may warrant as to the behaviour of all persons and all persons concerned shall obey such orders.