Two people were killed and five others injured in a fiery head-on collision Friday night on the Black Horse Pike in Egg Harbor Township, local police said Saturday. Four vehicles were ultimately involved in the crash, and police reported a good Samaritan trying to assist victims was also injured. A car traveling westbound crossed into the eastbound lanes and hit another vehicle, forcing it backwards into a third vehicle traveling eastbound, Egg Harbor Township police said. The crash occurred at 8:18 p.m. near the Oh St. Joseph Hotel in the West Atlantic City section. The vehicle that crossed i…