The Brief A tree fell on a 120-gallon propane tank Tuesday morning in Marion County. The fallen tree caused a large gas leak in the area. A large gas leak was reported Tuesday morning in Marion County after a tree fell on a 120-gallon propane tank, officials say. The 911 caller said a tree had fallen on a 120-gallon propane tank, causing a large leak. (Credit: Marion County Fire Rescue)No one was injured during the incident, and no residents were evacuated.