The tuna sub is one of Subway's most beloved, and as of 2021, controversial sandwiches. What is advertised as a regular tuna ...

Although the lawsuit was dismissed, it sparked controversy among consumers. Subsequently, the New York Times conducted scientific testing on tuna sandwiches from three Subway locations ...

It started with a claim that Subway's tuna wasn't fish. A fishy lawsuit which quickly received coast to coast coverage in the USA due to the sensational headlines as sub editors had a field day.