The rhythmic, desperate sound of chest compressions echoed against the brickwork of a South London street as officers fought to save a shooting victim. This raw scene, captured on mobile footage, has brought the reality of a rare mass shooting in the capital to a global audience.
The juxtaposition of life-saving efforts against a backdrop of urban decay has sparked intense public debate. Many didn't think it was the best spot, but for the first responders, they couldn't afford to delay giving the victim CPR for their survival.
