- White House Press Secretary Jen Psaki said Biden pledged to ‘respond decisively’ if Russia invades Ukraine during the phone call
- Both Biden and Zelensky expressed support for continued efforts between Russia and the US and its allies to find a diplomatic resolution
- It comes days after Biden warned Russian President Putin he ‘cannot’ attack
- Ukrainian officials have been begging the US and other western governments to step in and deter what they warn is a certain invasion by Russian forces