Thursday night at Flamboro Downs in Ontario, Canada two racehorses collided head on and had to be put down after the race. After falling and ejecting his rider in the first turn Buckbuckbuck Mach got back to his feet and started heading the wrong way down the track. Even with warning lights flashing to warn drivers, the race continued, and while in the final turn, Buck and A Sudden Twist ran into each other at full speed. No drivers were injured and the race was declared a no contest, but trainers were forced to put down both horses following the collision. To see the footage of the collision watch the video below.