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"But our freedom exists only because there are brave Americans willing to give their lives, to defend it and defend our great country," added Trump, who was accompanied by his wife, Melania. "America's liberty has been earned through the blood, sweat and sacrifice of American patriots."

"But we're going in a tougher direction. We want to go in a tougher direction," he said.

"China and the WHO have been in close communication and cooperation on source tracing since COVID-19 broke out, and Chinese scientists have also been discussing this with scientists in other countries," he told a news briefing in Beijing.

"China has facilitated ASEAN to be the foundation of the grouping which incorporates free trade with north Asia, South Asia, Australia and New Zealand. This will be a very powerful trading bloc," he said.

"China has a huge growth market," Poole said. "Brexit is looming upon us and China has a growing economy - it's a world leader in some areas. What tech firm Alibaba did was just phenomenal."