WTC and aggregation: the meaning of “arising from one event”

In MIC Simmonds (Lloyd's Syndicate 994) v AJ Gammell (Lloyd's Syndicate 102) [2016] EWHC 2515 (Comm), Mr Justice Cooke considered an appeal against the decision of an arbitral panel on whether certain reinsurance claims following the World Trade Center attacks on 11 September 2001 (the "WTC attacks") could be aggregated.  The arbitrators had decided by a majority that the claims could be aggregated as losses "arising from one event".  The Judge dismissed the appeal, concluding that there was no error of law by the arbitrators in reaching their decision, nor was the arbitrators' conclusion one which no reasonable arbitrator, properly directed, could reach.

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