Man who mowed lawn with tornado behind him says he 'was keeping an eye on it' https://i.cbc.ca/1.4145472.1496588193!/cpImage/httpImage/image.jpg_gen/derivatives/16x9_620/do-not-reuse-wea-alta-tornado-mower-20170603.jpg https://scontent-dft4-2.xx.fbcdn.net/v/t1.0-0/s480x480/18835852_10155343629967528_4436205244277586586_n.jpg?oh=7742aba8b7b9c1f8f150e728e5b07633&oe=59A61FE2 Jun 04, 2017 http://www.cbc.ca/news/canada/calgary/three-hill-tornado-lawn-mower-1.4145466