The phrase "to open fire" means to begin firing or shooting, usually with weapons such as guns or cannons. It can also refer to starting a process or debate without holding back any opinions or arguments.
Police open fire on a crowd of protesters, killing men, women and children. (parentpreviews.com)
Country style hotel with shared facilities, features include guest lounge with open fires in winter. (wikiaustralia.com)
Features beautiful polished period furniture, reverse cycle air - conditioning, open fires in winter with quality personalised service in romantic surroundings. (wikiaustralia.com)