Around 6:15 On Sunday evening Station 6, Station 100, Station 21 and Station 26 were dispatched to River Rd for a subject trapped under a lawn mower in a deep ditch. Subject was mowing grass next to a deep ditch when lawn mower slid down into the ditch and over turned. Station 6 units arrived first and confirmed entrapment. Paramedic 600 requested aviation. Subject was freed and loaded into paramedic 600 and awaited the arrival of MSP aviation.