“The total amount payable by [the Insurer] in respect of all damages costs and expenses arising out of all claims during any Period of Insurance consequent on or attributable to one source or original cause irrespective of the number of Persons Entitled to Indemnity having a claim under the Policy consequent on or attributable to that one source or original cause shall not exceed the Limit of Indemnity stated in the Schedule.” (Emphasis supplied).
“In ordinary speech, an event is something which happens at a particular time, at a particular place, in a particular way… A cause is to my mind something altogether less constricted. It can be a continuing state of affairs; it can be the absence of something happening. Equally, the word “originating” was in my view consciously chosen to open up the widest possible search for a unifying factor in the history of the losses which it is sought to aggregate.”
“The word event, occurrence or claim describes what has happened; the word “cause” describes why something has happened. The words “one source or original cause” are, as Hobhouse LJ said, “wide”