SQUAWK BOX, MONDAY 21ST MARCH, 2022

Ukraine rejects Russian demands to surrender Mariupol as fighting intensifies in the besieged south-eastern city, while Russian forces cut the region off from the Sea of Azov amid a growing humanitarian crisis. China deflects criticism, insisting it is on the "right side of history" over the invasion of Ukraine, as President Biden warns of consequences if Beijing provides material support to Moscow, while China's Foreign Minister hits back at U.S. interference. U.S. and European stocks log their best week since 2020, but Asian equities start the week lower as the Fed-driven relief rally seems to fade. And, Germany agrees to a new long-term energy partnership with Qatar, as Europe's biggest economy looks to wean itself of its dependency on Russian energy.