NEW : Sgt . Marco Alexandre Alves is being called a `` hero '' by Rio 's governor for confronting the gunman . NEW : Many of the slain students will be buried Friday , state-run media says . TL;DR The shooting happened at an elementary school in Brazil on Wednesday morning. It is very hard to identify a son or a daughter in a situation like this , '' Cortes said . He was a former student of the school , the government says .
NEW : Sgt . Marco Alexandre Alves is being called a `` hero '' by Rio 's governor for confronting the gunman . NEW : Many of the slain students will be buried Friday , state-run media says . TL;DR The shooting happened at an elementary school in Brazil on Wednesday morning. He was a former student of the school , the government says .