a gray fighter aircraft turned on its side while flying
An F-16 Fighting Falcon banks left over Leiria, Portugal.
  • Putin said Western air bases hosting F-16 fighter jets will be "legitimate" targets.
  • However, he also claimed F-16s "won't change the situation on the battlefield."
  • Putin's comments show how he could escalate the conflict, said a Swedish defense official.

Russian President Vladimir Putin warned that Western air bases hosting F-16 fighter jets for Ukraine will be "legitimate" targets for the Kremlin's forces, according to The Associated Press.