Victims in Texas school shooting killed in single classroom, authorities say

The 19 children and two teachers massacred at a South Texas elementary school were in a single fourth-grade classroom where the gunman barricaded himself, authorities said on Wednesday, as the deadliest school shooting in nearly a decade reignited a national debate over America's gun laws.

Police circled Robb Elementary School in Uvalde, Texas, breaking windows in an effort to evacuate children and staff, Texas Department of Public Safety spokesperson Chris Olivarez told CNN. Officers eventually breached the classroom and killed the gunman, identified as 18-year-old Salvador Ramos.

Ramos began his...