Protesters march nationwide in support of African American George Floyd and indigenous Australians.

Protesters are expected to gather in Washington for a huge demonstration on Saturday, its police chief said, as U.S. street marches over the killing of a black man in custody enter a 12th day and authorities move to rein in policing tactics.

For 8 minutes and 46 seconds - the length of time it took George Floyd, an unarmed black man, to die at the hands of Minneapolis police - cable TV kids channel Nickelodeon's screen went black on Tuesday to sounds of inhaling and exhaling, as white text flashed "I can't breathe."

Officials across the United States are moving to rein in police following accusations of excessive force being used against demonstrators, with protests over the killing of a black man in custody set to enter their 12th day on Saturday.

Thousands took to the streets across Australia on Saturday, as did hundreds in Tokyo and Seoul to support U.S. protests against police brutality, while demonstrations were expected around Europe in the coming hours.

A cyclist whose videotaped confrontation with three youngsters posting flyers protesting racial injustice on a nature trail outside Washington drew widespread attention has been arrested and charged, police said late Friday.

India reported a record 9,887 new coronavirus cases in one day on Saturday and overtook Italy as the world's sixth-biggest outbreak, two days before the relaxing of a lockdown with the reopening of malls, restaurants and places of worship.

Thousands took to the streets in Australia on Saturday, and hundreds did in Japan, to support protests across the United States against police brutality, while demonstrations were expected in South Korea with a virtual rally in Thailand.

Polish Prime Minister Mateusz Morawiecki said on Saturday he hoped that some of the U.S. troops that are set to be removed from Germany will be reassigned to Poland.

Prominent Democratic politicians on Friday embraced the cause of U.S. protesters angered by the death of a black man in Minneapolis police custody, adopting their slogans and announcing reforms as tensions remained high in major cities.

Former U.S. Vice President Joe Biden secured enough delegates to formally clinch the Democratic presidential nomination on Friday, setting the stage for a challenge to President Donald Trump in the November election.

Former Vice President Joe Biden formally clinched the Democratic presidential nomination on Friday, media reported, setting the stage for a challenge to President Donald Trump in the November election.

Expectations that the global economy has dodged the worst-case coronavirus pandemic scenarios have led to a dramatic sell-off in U.S. government bonds from their record highs, pushing the yield curve to its steepest level since March.

All 57 members of a police tactical unit in Buffalo have resigned from that team to protest the suspension of two colleagues who were filmed shoving a 75-year-old man to the ground, officials of the northern New York city said on Friday.

President Donald Trump on Friday lobbed barbs at protesters who kneel during the national anthem, after NFL quarterback Drew Brees apologized for remarks he made about the practice.

Prominent Democratic politicians on Friday embraced the cause of U.S. protesters angered by the death of a black man in Minneapolis police custody, adopting their slogans and announcing reforms as tensions remained high in major cities.

Nationwide protests over the Minneapolis police killing of George Floyd, the latest in a long string of high-profile slayings of black men by white officers, have featured a common rallying cry: "Defund the police."

All 57 members of a police tactical unit in Buffalo, New York, have resigned from that team to protest the suspension of two colleagues who were filmed shoving a 75-year-old man to the ground, local media reported on Friday.

National Football League (NFL) Commissioner Roger Goodell said the league made mistakes in not listening to players, in a video on Friday denouncing racism in the United States amid widespread protests over police brutality against black people.

National Football League (NFL) Commissioner Roger Goodell said the league made mistakes in not listening to players, in a video on Friday denouncing racism in the United States amid widespread protests over police brutality against black people.