A potentially dangerous military escalation is underway above Syria after U.S.-backed forces shot down a Syrian fighter jet.
Russia, Syria's closest ally, is now vowing to treat all U.S. planes in that part of Syrian airspace as targets.
Syria has been testing the U.S. with a series of provocative moves, escalating an already tense relationship between the U.S. and Russia, despite the shared goal of defeating ISIS.
Read more: http://nbcnews.to/2tGDfEm
2929 Signal Hill Drive Sioux City, IA 51108
Switchboard: 712-239-4100 or 800-234-KTIV(5848)
News: (712) 226-5480
Fax: (712) 239-3025
News Tips: email@example.com