The STEM school uses a Locks, Lights, Out of Sight method for dealing with active shooters. A school official would not say whether the school had ever suggested students fight back against an active shooter.
Short of a promise to defend Ukraine directly, ideas include the ability to " snap back" any sanctions on Russia that are lifted; and rearming Ukraine quickly if it is attacked again.
Israeli officials say 3 Israelis were shot and killed at a border crossing between the West Bank and Jordan. Israel says a gunman opened fire from Jordan. Israeli forces shot back and killed the gunmen.