Firefighting crews gained 25% containment on the Pearl fire burning west of Fort Collins on Thursday as Larimer County officials lifted more mandatory and voluntary evacuations. Related Articles Colorado News | More mandatory evacuations lifted in Pearl fire in Larimer County Colorado News | Brush fire sparked by power line near Lockheed Martin in Jefferson County Colorado News | Pearl fire chars 128 acres in Larimer County, 5% contained late Tuesday Colorado News | Pearl fire was human-caused, Larimer County officials say Colorado News | Alexander Mountain fire started by man impersonating fire official, Larimer County sheriff says The human-caused fire is burning on 128 acres near Crystal Lakes and sparked on private property Monday.