Drones are changing the wounds of war

Drones are changing the kinds of injuries that doctors see in war. They say they create complex wounds that can look deceptively small from the outside, but do immense damage inside. From Gaza to Ukraine, surgeons describe treating civilians with devastating shrapnel and blast injuries, while also adapting to a battlefield where getting patients to care can be more dangerous and take much longer. The World's Shirin Jaafari reports.