Austin vows "significant reaction" if Russia uses chemical or biological weapons in Ukraine - CBS News
- Austin vows "significant reaction" if Russia uses chemical or biological weapons in Ukraine CBS News
- US ambassador to UN vows aggressive response if Russia uses chemical weapons on Ukrainians | TheHill The Hill
- UNSC: West dismisses Russian claims of bioweapons in Ukraine Al Jazeera English
- West accuses Russia of using UN council to spread propaganda KTVZ
- Austin vows "significant reaction" if Russia uses chemical or biological in Ukraine Face the Nation
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