As European leaders meet with Iranian officials in Geneva, Israeli media report a drone strike in Tehran that killed a nuclear scientist. NBC’s Matt Bradley joins Morning Joe from Israel, where air raid sirens sounded and missiles struck six areas,

The U.S. says it wasn't involved in the strikes on Iran, but three American officials told NBC News the U.S. is assisting in shooting down Iranian missiles and projectiles targeting Israel.

National security experts warn that Israel's attack on Iran shows why Chinese land and asset purchases in the U.S. pose a significant threat to American security.