The message, relayed in the form of a flier, was delivered by about 400 off-duty police officers before the Tigers won the first game of their division series against the A’s, My Fox Detroit reported.As they poured into Comerica Park, fans were given the fliers reading: “Attention: Enter Detroit at Your Own Risk.” It warned that Detroit is America’s most violent city and that the city’s police force is grossly understaffed.


Read more: 'Enter Detroit at your own risk,' police tell Tigers fans | Fox News