The Uvalde massacre -- the deadliest school attack since 20 children and six staff were killed in Newtown, Connecticut in 2012 -- came less than two weeks after 10 people died in an attack at a grocery store in Buffalo, New York by a young gunman targeting African Americans.
MEXICO CITY: Mexico on Thursday accused US gunmakers of "clear negligence" following the massacre of 19 children and two teachers at an elementary school...