Thank you for your message and feedback. You are correct, no one should ever enter a room without announcing themselves and we do have that policy in place...treat every room as if it's occupied. Our Executive Housekeeper, who was checking rooms that morning, stated he knocked & announced his presence before trying to enter the room, as is our protocol. He quickly realized the room was occupied as a result of the safety latch in place. He spoke with the individuals in the room and explained the situation at that time. We have since reviewed the situation with all of our housekeepers to ensure we're knocking & announcing ourselves loudly and multiple times in an effort to avoid situations like this again and certainly apologize for the inconvenience and any concern it presented.