Principle: No person can sue for a tort to which he had consented either expressly or impliedly. Voluntarily suffered injury is not fit for action. However rescue cases are exceptions.
Facts: A short distance from 'X's house, there was a railway collision due to the negligence of railway authority. 'X' voluntarily took an active part in rescue operations at the scene of the accident. As a result, he suffered prolonged anxiety and neurosis. He filed a suit for damages against railway authority.