UPDATE 2-Alliance shuts 1.6-bcfd natgas pipeline; Chicago prices up
August 08, 2015 at 09:34 AM EDT
CALGARY, Alberta, Aug 7 (Reuters) - Alliance Pipeline shut its Western Canadian 1.6 bcfd pipeline that feeds natural gas to Chicago on Friday after poisonous, flammable gas got into the system, forcing at least five producers to curb output and lifting Chicago prices.