A Union City teen was stabbed to death and a second teen was injured Tuesday night, Hudson County Prosecutor Esther Suarez said Wednesday. Union City police responding the area of 40th Street and Bergenline Avenue at 6:24 p.m. found 15-year-old Allen Flores and the 16-year-old both with stab wounds, the prosecutor said. Flores was taken to Christ Hospital in Jersey City and was pronounced dead at 7:08 p.m. The 16-year-old was treated at a local hospital and his injuries were not considered life-threatening. It was initially reported by authorities that the stabbings occurred at 40th Street and…