Texas school shooting: 19 children, 2 adults shot dead, several critical

An 18-year-old gunman opened fire Tuesday at a Texas elementary school, killing at least 19 children and two adults, as he went from classroom to classroom, officials said, in the latest gruesome moment for a country scarred by a string of massacres. The attacker was killed by law enforcement.

A gunman killing multiple elementary school children and adults in Texas adds to the state's grim recent history of mass shootings. (Photo | AP)