Public service announcement on nuclear attack sparks worry among New Yorkers

A nuclear preparedness PSA instructs New Yorkers on what to do if the city comes under nuclear attack (NYC Emergency Management/AP)

A new public service announcement targeted at New Yorkers – on surviving a nuclear attack – has sparked worry and bafflement.

NYC residents are accustomed to warnings about all kinds of potential threats, including severe weather, public health, and mass shootings.