Good Samaritan fatally struck in Queens by hit-and-run driver

A Good Samaritan who stopped to help a stranded motorist in Queens was fatally struck by a hit-and-run driver, police said. Cops are now searching for the driver, who abandoned his vehicle and ran off. The episode unfolded Friday at about 8:20 p.m. when police responded to a 911 call of a car hitting a…