Across the border:An animal rights group is accusing an Iowa company of grinding up live male chicks.A warning: the video you're about to see may be unsettling to some of our viewers.Undercover video released Tuesday by Mercy for Animals shows live male chicks being fed into a grinder at a hatchery in Spencer, Iowa.The owners of the hatchery Hy - Line International say that the video appears to show an inappropriate action and violation of our animal welfare policies.But a company spokesperson would not specify exactly what the violations are.The company says they are investigating the situation and will discipline employees if any violations are found.We'll have much more on this story tonight at six.