CHARLOTTE, N.C. — Two children and an adult died on Friday night in a fiery head-on wreck in Davidson County, multiple media outlets reported. A first-grade student at Silver Valley Elementary School and a seventh-grade student at South Davidson Middle School were killed in the wreck, WGHP reported, citing a Davidson County Schools statement. “Our heartfelt sympathy and prayers go out to the families and friends impacted by this tragedy,” Superintendent Emily Lipe said in the statement. “Additional personnel will be on site at both schools on Monday to provide emotional support.” The wreck hap…