PHOENIX—A cyclist has died after he was struck by an Arizona driver who plowed his pickup truck into a group of people participating in a bike race, authorities said. A 58-year-old man died of his injuries Saturday, Arizona Department of Public Safety spokesman Bart Graves said Monday. No other information about the victim was immediately released. The accused driver, Shawn Michael Chock, 36, was indicted last week on nine counts of aggravated assault with a deadly weapon and one count each of fleeing an accident and unlawful flight. Seven bicyclists were injured June 19 when Chock sped into a crowd gathered for the annual 58-mile Bike the Buff race in Show Low, a mountain city about three hours northeast of Phoenix, authorities said. Witnesses described seeing the bodies of cyclists flying left and right. The driver then hit a telephone pole, and backed out of the crowd as cyclists pounded …