Xi Jinping used his final meeting with outgoing president Joe Biden to lay out four “red lines” that Washington must not cross and warned Donald Trump against pushing on the guardrails of US - China relations.

Donald Trump has made a tougher stance toward China central to his pitch on foreign policy, even as Joe Biden and Xi Jinping sought to lower tensions before the next president takes office.

With a presidential transition underway in the United States, both presidents stressed the value of stability in the relationship.