REFILE-UPDATE 5-Suncor launches hostile bid for Canadian Oil Sands
October 05, 2015 at 16:51 PM EDT
Oct 5 (Reuters) - Suncor Energy launched what could be a drawn-out takeover battle for Canadian Oil Sands Ltd on Monday, which could increase its stake in Alberta's massive Syncrude project and cement its position as the country's largest oil producer.
