A group of schoolchildren who won a robotics competition were subjected to a barrage of racist abuse from some rival pupils and their parents who shouted: "Go back to Mexico". It was the first time that pupils from Pleasant Run Elementary School had entered the robotics challenge. Their victory over the youngsters from other Indianapolis schools, put them a step closer to the state championship. Yet as the children, aged nine and ten, left the event and walked out to the parking area, some of the children they had just beaten, along with their parents, unleashed racist comments. Kids on winning robotics team told, 'Go back to Mexico' https://t.co/iGmm9yOQsF