Oregon School Shooting: 4 Dead, Trump Weighs Iran Bomb, Suspicious Letters on Capitol Hill

Sophie Flay has the latest on a deadly elementary school shooting in Bend, Oregon, that left three children and a teacher dead. The suspected shooter, a 16-year-old, was fatally shot by a community member who intervened. Authorities are investigating the motive and the events leading up to the attack. President Trump is considering using the largest non-nuclear bomb in the U.S. arsenal against Iran, according to sources. The GBU-43/B Massive Ordnance Air Blast, known as the "mother of all bombs," is among the options presented to him. Meanwhile, election officials and lawmakers are on high alert after suspicious letters containing a white powder were mailed to Capitol Hill and across the country. Plus, the new White House press secretary answers questions about her legal credentials, and Tesla unveils a car that can fly. This roundup from ABC News provides a comprehensive update on the day's top stories. Stay informed with the latest breaking news.