BREAKING: Interstate 25 was closed this afternoon north of Denver and Thornton police officers were going door-to-door to evacuate residents after a grass fire sparked near the highway, according to law enforcement.⁠ ⁠ This is a developing story. Click the link in our bio to read the latest update on the fire in Thornton. ⁠ ⁠ 📝: Lauren Penington, The Denver Post⁠ 📷: Courtesy of Thornton Fire Department⁠ ⁠ #Colorado #wildfire #Thornton