Teams head to world robotics tourney

Three Sault Ste. Marie teams will compete at VEX Worlds Robotics.The competition starts Friday in Louisville, Ky.NDS Alpha, from Notre-Dame-du-Sault, iSMAK, from Francis H. Clergue French Immersion, and the independent Lone Wolf Robotics, will participate, a release says.More than 400 teams from 40-plus countries will be at the event.