July 21, 2011 7:10 pm DC Heat Hurting More Than People The heat warning for the D.C. area kept the parks empty and strained the Metro air conditioning system. It’s not just people who are suffering in the heat. Local 2:37 Police find 10 card skimmers in Prince George's County in less than a month 1:57 Man shot, killed near Potomac Ave Metro station in Capitol Hill 26:02 GOP House members visit pro-Palestinian encampment at GW: The News4 Rundown 2:02 Man on trial for murder claims he shot construction workers in self-defense 4:28 After-action report describes flaws with District Dogs flood response