Plague, once known as the ‘Black Death’ that nearly wiped out half of Europe's population, is now rare in humans and treatable with antibiotics. It is caused by the bacteria Yersinia pestis

An Arizona resident has died from the plague as officials were probing whether a prairie dog die-off in the area was also tied to the lethal illness.

A hyperbaric chamber caught fire in Arizona, leading to the gruesome death of a 43-year-old man inside the highly pressurized, oxygen-filled compartment, authorities said Thursday