Stretch of ash burn and hill road. They received the call last night. As a concern, Young Concern obviously im sure they were passengers. Reporter police are still investigating how the two atvs collided but said each one had a man and boy on board. The Fitchburg Deputy fire chief said a sevenyearold boy had a severe trauma injury and a sixyearold boy had a compound fracture to his leg. Police told tuesday sixyearolds father a 32yearold man lost his leg. They say he severed it on a snowplow attached to one of the atvs. Being on the roadways can be dangerous. These vehicles are capable of high speeds and things can happen. Reporter we spotted these warning signs in the woods along that road, stating no motorized vehicles allowed. According massachussetts law 8second can only be driven on designated trails an paths. Drives but we didnt find any for passengers. State law also requires everyone to follow safety guidelines. We did see one helmet at the crash site, but police are still worki