Dozens of wildfires were burning in hot, dry conditions across the western United States, including a blaze touched off by lightning that was moving towards northern Arizona’s largest city. Al Jazeera reports that the mountainous city of Flagstaff was shrouded in smoke Monday and the national forest surrounding it announced a full closure set to begin later this week — the first time that has happened since 2006.In California, firefighters meanwhile still faced the difficult task of trying to contain a large forest fire in rugged coastal mountains south of Big Sur that forced the evacuation of a Buddhist monastery and nearby campground.