“There would be claims for reparations around the world against China.
“It would be a massive geopolitical blow to China.
“Just think of the anger of everyone around the world who has lost a spouse, a child, parents, would feel. Not just at the original mistake but the criminal cover-up afterwards.”
Mr Nawaz told LBC listeners that the “consequences are incredibly serious” for the Chinese regime if the theory is proved.
He said “the entire planet for the first time in history has been locked down because of this thing” and the Chinese Communist Party would have to “foot the bill” for that.
The radio broadcaster said China will face the full force of the international community.
The move from British intelligence services to step up research into the lab leak claims has sparked a sharpening of tension with Beijing.
China’s foreign ministry accused the US of “political manipulation and blame shifting”.
Meanwhile, MPs in the UK are demanding a fresh investigation, with the Conservative MP Tom Tugendhat telling the Sunday Times: “The silence coming from Wuhan is troubling.
“We need to open the crypt and see what happened to be able to protect ourselves in the future.
“That means starting an investigation, along with partners around the world and in the WHO.”