Show TWO KilLED IN I ACCIDENT ON ONA ONA A SUBMARINE Many More Imprisoned and Their Asphyxiation I Is Feared ST. ST PETERSBURG Aug A r serious se- se rions rious explosion today In the tho engine room of of ofa a a. Russian submarine anchored in Sn the Neva river resulted In the killing kill ing of two men and anti the Injury of thirty or forty others A dozen machinists and workmen still remain imprisoned in the vessel and fears are entertained that they have han been asphyxiated by gas fas from the fuel supplies Boat Still Afloat The shell of the tho submarine was only slightly damaged by the explosion and the vessel I is still afloat The explosion which occurred during durinA the trial of a benzine motor preparatory tory to acceptance by the admiralty is ascribed to the carelessness of the machinists who ignited the benzine sup sup- ply |