Principle: If an injury is the result of a reasonably foreseeable cause, the person/authority responsible is liable for damages because he has a duty to take reasonable measures to prevent it.
Facts: Janet, a housewife standing at her balcony, was struck on the head by a ball that flew out of a cricket field across her home. Janet sues the District Cricket Association (DCA), the owner of the cricket field for public nuisance and negligence on the ground that the field did not have a fence high enough to prevent such occurrence. District Cricket Association (DCA) claims that only about 10 balls had escaped the field in the previous 10 years and it was therefore an unforeseeable risk. Is there a duty on the part of the District Cricket Association (DCA) to prevent the risk? Is the District Cricket Association (DCA) liable to compensate Janet?