"Curfew was so obviously ignored so enforcement has become necessary. Starting tonight each Head of House will be taking roll call at eight-thirty each night. Charms and alerts will also be sealed on all entrances keeping students inside the dorms until seven in the morning. In case of any emergencies, each Head of House will be staying in the rooms for Head boy and girl until further notice." Severus smirked when students began to groan and grumble.