LEGAL PRINCIPLE: If a person brings anything dangerous on his land which may prove harmful if escapes, then that person must keep it at his peril. If a man fails to do so then he must be made responsible to all natural consequences of its escape.
FACTS: A grows poisonous trees on his own land and lets the projection of the branches of his trees on the B's land. B's cattle die because of nibbling the poisonous leaves.
DECIDE.