An Iranian-American doctor has returned to Iran, Iranian state media reported on Monday, after a swap deal between Tehran and Washington that resulted in the release of a US Navy veteran detained in the Iran.

Tens of thousands of peaceful protesters rallied for racial justice Saturday in cities across the United States following the death of African American George Floyd at the hands of police.

Global cases of the novel coronavirus neared 7 million on Saturday, as case numbers surge in Brazil and India, according to a Reuters tally.

China said on Monday the United States was "addicted to quitting" following a US decision to leave the World Health Organization (WHO) and said the withdrawal reveals a pursuit of power politics and unilateralism.

The United States said it is considering deploying a Security Force Assistance Brigade in Tunisia for training, as part of its assistance program with the North Africa country, amid concern over Russian activity in Libya.

Hong Kong told the United States to keep out of the debate over national security legislation being imposed by China, and warned that withdrawal of the financial hub's special status under US law could backfire on the US

The United States should stop wasting time in its fight against the coronavirus and work with China to combat it, rather than spreading lies and attacking the country, the Chinese government's top diplomat Wang Yi said

The United States recorded a further 1,260 deaths from Covid-19 on Friday, bringing its total to 95,921 since the global pandemic began, according to a tally kept by Johns Hopkins University.

Top infectious diseases expert Anthony Fauci will Tuesday warn the Senate the United States will see "needless suffering and death" from the coronavirus if it tries to reopen too soon, The New York Times reported.

Iran is ready for a full prisoner exchange with the United States, Iranian government spokesman Ali Rabiei was quoted as saying by Khabaronline news website on Sunday

The US government reported more catastrophic economic fallout from the coronavirus crisis on Friday as the pandemic pierced the very walls of the White House and California gave the green light for its factories to restart after a seven-week lockdown.

The United States has reported more than a million coronavirus infections only because of its testing, President Donald Trump said on Wednesday, hailing the effort as being "much better than any other country in the world".