A property owner or manager may be responsible for damages if the injuries are caused by unsafe property. Premises injuries can be caused by tripping in a hole, slipping on a spill in a supermarket, or being attacked in a nightclub. Property owners may be responsible for not correcting a defect that the property owner knew about or should have known about, for not warning of a defect on the property or for failing to provide adequate lighting or security. A property owner or management company may also be liable for failure to properly train or supervise employees or for negligent hiring.