US Secretary of State Mike Pompeo has relaunched his attack on China, claiming there's "significant evidence" to show their role in the coronavirus outbreak.
"There is a significant amount of evidence that this came from that laboratory in Wuhan," he told ABC's This Week.
Pompeo, however, did not dispute US intelligence agencies' conclusion that it was not manmade.
Meanwhile, China's state run newspaper dismissed the allegations, adding that the US official was "bluffing".
"The Trump administration continues to engage in unprecedented propaganda warfare while trying to impede global efforts in fighting the COVID-19 pandemic," the editorial said.
So far, more than 3,568,217 people around the world have been infected, with 248,347 deaths.
The funeral ceremony for Iranian President Ebrahim Raisi, the country's Foreign Minister Hossein Amir-Abdollahian, and their companions who were killed in a helicopter crash, began in the city of Tabriz on Tuesday morning.
Israeli forces raided Jenin in the occupied West Bank on Tuesday in an operation that the Palestinian health ministry said killed seven Palestinians, including a doctor, and left nine others wounded.
Recovery teams refloated the huge cargo vessel in the Port of Baltimore two months after the boat crashed into the Francis Scott Key bridge and caused the span to collapse.
An infected blood scandal in Britain was no accident but the fault of doctors and a succession of governments that led to 3,000 deaths and thousands more contracting hepatitis or HIV, a public inquiry has found.
Iranian President Ebrahim Raisi, seen as a potential successor to Supreme Leader Ayatollah Ali Khamenei, was killed in a helicopter crash in mountainous terrain near the Azerbaijan border, officials and state media said on Monday.