Lynn and Christopher McDonnell, the parents of seven-year-old Grace McDonnell, grieve near Sandy Hook Elementary after learning their daughter was one of 20 school children and six adults killed after a gunman opened fire inside the school in Newtown, Connecticut, U.S., December 14, 2012. Picture taken December 14, 2012. REUTERS/Adrees Latif/File Photo SEARCH "POY DECADE" FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2019 PACKAGES. TPX IMAGES OF THE DAY.