Sources tell CBS2 it appears the incident was accidental, possibly the result of cleaning solution that wasn't properly removed from the shake machine.
Sources tell CBS2 it appears the incident was accidental, possibly the result of cleaning solution that wasn't properly removed from the shake machine.
A police investigation found that there was “no criminality” by Shake Shack employees, after three New York police officers..
Investigators were on the scene in downtown Manhattan. CBS2's Alice Gainer reports