Police say 42-year-old Robert Martone jumped into a /*Mister Softee*/ ice cream truck while the driver was stopped at a traffic light in /*Centereach*/.
Martone entered through the ordering window, and then allegedly robbed the driver at gunpoint and ran off.
Police say a man in another car at the light saw the crime and chased Martone.
He and the ice cream truck driver held him until police arrived.
The driver has promised Martone "Free ice cream for life!"