‘It looked like a battle zone’: Eyewitnesses described grabbing their families and running for their lives

A day of national celebration turned to tragedy Monday when a gunman killed six people and injured dozens of others at a July Fourth parade in Highland Park, Illinois — leaving the nation grieving yet another mass shooting.A day of national celebration turned to tragedy Monday when a gunman killed six people and injured dozens of others at a July Fourth parade in Highland Park, Illinois — leaving the nation grieving yet another mass shooting.