A soldier who grew up in Maine has been killed in Afghanistan.The governor’s office says 31-year-old Staff Sgt. Eric Shaw was killed Sunday by enemy gunfire.He grew up in Exeter. His wife was in Maine visiting her parents when she was notified of her husband’s death. She and three children, ages five, two and six weeks old, live in Tennessee.Staff Sgt. Shaw was serving in his third combat tour. He was with the 327th Infantry, First Brigade Combat Team from Fort Campbell, Kentucky.