Police say a Bronx man was stabbed to death at a Manhattan train station early Saturday morning. The NYPD says they found 32-year-old Tavon Silver with stab wounds to his torso on No. 4 train at the 14th Street - Union Square station around 4 a.m. News 12 was told Silver was taken to the hospital, where he died. Police say there have been no arrests in this case.