54. Liability for trespassing livestock.

Where livestock1 belonging to any person2 strays on to land in the ownership or occupation of another person and there causes damage3 to the land or any property on it in that person's ownership or possession, the person to whom the livestock belongs is liable for that damage4, and also for any expenses reasonably incurred by that other person in keeping the livestock while it cannot be restored to the person to whom it belongs, or while the right of detention is being exercised over it5, or while it is being ascertained to whom it belongs6.

Thus the old common