ROYAL EXCHANGE ASSURANCE v. BREW Insurance—Motor vehicle—Insurers' liability—Whether vicarious or statutory—Cause of action—Commencement of an action for negligence by respondent against servant of the insured—Subsequent action by respondent against insured—Whether one or more causes of action vested in respondent against master and servant—Motor Vehicles (Third Party Insurance) Act, 1958 (No. 42 of 1958), s. 10 (1).