A Rocky Mount police officer died Wednesday at Pitt Memorial Hospital in Greenville from injuries he suffered in a car crash Sunday. 23-year-old Alan Silver was responding to a robbery in progress call when his patrol car collided with another vehicle at the intersection of Woodruff Rd. and Hunter Hill Rd. The driver of the other vehicle and his son survived the crash. Silver had worked with the Rocky Mount police department for a year. His funeral arrangements have not been finalized.