One fire crew attended the scene in Swettenham Road, Congleton, at about 2.20pm. A spokesperson for Cheshire Fire and Rescue Service said: "Firefighters were called to a road traffic collision in Congleton. "An environmental pack was used to soak up oil that was leaking from a tractor, and the leak was sealed using a specialist paste. "Two casualties were attended to by paramedics on-scene and later transported to the hospital. "The scene was left with National Highways."