Section 186. Power of board to stop erection and to demolish building erected

186. The Municipality may at any time by write notice direct the owner or occupier of any land to stop the erection, re-erection or alteration of a building or part of a building or the construction or enlargement of a well thereon in any case where the Municipality considers that such erection, re-erection, alteration, construction or enlargement is an offence under section 185 and may, in like manner, direct the alteration or demolition as it deems necessary of the building, part of a building, or the well, as the case may be.