UPDATE 1-Regulator responding to Husky oil spill in Canada's Alberta
March 20, 2017 at 17:07 PM EDT
CALGARY, Alberta, March 20 (Reuters) - The Alberta Energy Regulator is responding to a crude oil spill by Husky Energy Inc in Canada's oil-rich Alberta province, and while the pipeline involved has been shut, the amount leaked and cause are unknown, the agency said on Monday.
