The attached W.W I article appeared in a Georgia newspaper on March 22, 1917 and reported a French naval blunder involving a French torpedo boats sinking one of their own submarines in Marseilles Bay. The dispatch was filed from Berlin, rather from Paris or London, where such events would never make it past the censors. This brief notice makes no mention as to the original source or who witnessed the accident.
Click here to read about the new rules for warfare that were written as a result of the First World War - none of them pertain to the use of poison gas or submarines.