(ANSA) - WASHINGTON, 07 DEC - "President Joe Biden has expressed the deep concerns of the US and our European allies on the escalation of Russian forces around Ukraine and has made it clear that the United States and its allies will respond with strong economic measures and of other kind in case of military escalation ".
This was announced by CasaBianca about the virtual summit between Biden and Putin.
Biden, it is underlined, reiterated his support for Ukrainian sovereignty and its territorial integrity and that he asked for an escalation and a return to diplomacy ". (ANSA).
