BRIEF-UK PM Sunak And US President Biden Discussed Need To Remain Steadfast In Support Of Ukraine- Downing Street

* UK PM SUNAK AND US PRESIDENT BIDEN DISCUSSED NEED TO REMAIN STEADFAST IN SUPPORT OF UKRAINE - DOWNING STREET

* BIDEN, SUNAK AGREED ON NEED TO ENGAGE CHINA AND MAINTAIN DIALOGUE - DOWNING STREET * ON CHINA, SUNAK AND BIDEN NOTED CHALLENGED POSED BY INCREASED ASSERTIVENESS OF CHINESE COMMUNIST PARTY-DOWNING STREET

* SUNAK, BIDEN DISCUSSED THE US' INFLATION REDUCTION ACT - DOWNING STREET