Biden warns over potential chemical weapons use in Ukraine?
The US president is warning Russia could resort to using chemical weapons in Ukraine. Joe Biden did not provide any evidence but said Vladimir Putin could escalate the violence, since he still faces resistance from Ukrainian forces. – Follow us on Twitter: https://twitter.com/AJEnglish/ – Find us on Facebook: https://www.facebook.com/aljazeera/ – Check our website: https://www.aljazeera.com/ #Russia #Ukraine
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