An ambulance makes its way through revelers in Cardiff city center in Wales in 2010. New measures in the city have reduced injuries caused by violence. Matt Cardy/Getty Images hide caption itoggle caption Matt Cardy/Getty Images Shots - Health News A Hospital Tells Police Where Fights Happen, And Crime Drops September 19, 2013 People who show up wounded at a hospital often don't tell police. When a hospital in Cardiff, Wales, shared that information without naming names, the toll of violence dropped, and the city saved $11 million a year on health care and policing. Other British cities are adopting the program.