Show U-BOAT U ATTACK A IT ACK FEARED ON CANADIAN SHIPPING B Bt BI Real a to to The Telegram HALIFAX N. N S. S Dec 4 The 4 The Dominion Dominion Dominion Do Do- minion naval department has bas order ordered d dall all vessels in Canadian n waters to carry only such lights as are absolutely indispensable in indispensable indispensable in- in dispensable to safe navigation it wa was s announced here today Unofficially i iwas it t was said th the precautions were due to the reported possibility of German submarIne submarine submarine sub sub- marine operations on the Atlantic coast The order which again placed this city In comparative darkness a few days ago stated that a real emergency does doe exist |