Last week, 52-year-old artist Luigi Di Sarno was the first to die after eating the panini from a food truck in the town of Diamante in Calabria. [File photo]

Authorities launch investigation into outbreak of toxic botulism after panini were bought at food truck in Calabria

Last week, 52-year-old artist Luigi Di Sarno was the first to die after eating the panini from a food truck in the town of Diamante in Calabria. [File photo]