Scores of students fled into the streets in the nation's deadliest school shooting since a gunman attacked an elementary school in Newtown, Connecticut.
The head of the Environmental Protection Agency has broken months of silence about his frequent premium-class flights at taxpayer expense, saying he needs to fly first class because of unpleasant interactions with other travelers.
The Latest on the deadly shooting at a Florida high school (all times local).
An official says there are numerous fatalities from a high school shooting in South Florida.
Authorities responded to a shooting at a Florida high school.