Several videos of police brutality have emerged during protests over the death of African American George Floyd.
In Buffalo, New York State, two officers were suspended after they were seen shoving an elderly white man to the ground.
And in New York City, police were captured on video roughly handling demonstrators as they ran away.
The reports come hours after a memorial for Floyd in Minneapolis, the city where he died at the hands of police.
His killing, also captured on video, has caused outrage and sparked a wave of protests against racial discrimination and police treatment of African Americans in cities across the US and the world.
The vast majority of demonstrations over the past eight days have been peaceful but some have descended into violence and rioting, with curfews imposed in a number of cities.
More on George Floyd’s death
- VIEWPOINT: Tipping point for racially divided nation
- WATCH: ‘This is why we are protesting’
- TIMELINE: Recent black deaths at hands of police
- BACKGROUND: Five pieces of context to understand the protests
- CRIME AND JUSTICE: How are African Americans treated?
What do the videos show?
The Buffalo video shows a 75-year-old man approach police officers enforcing a curfew. They then move forward, pushing him back and causing him to fall over and hit his head.
As he lies on the ground, blood is seen pouring from his ear.
The man was taken away in an ambulance and was later found to have suffered a severe head injury.
An initial statement from Buffalo Police Department said the man had “tripped” and fallen during a “skirmish involving protesters”, compounding outrage at the incident on social media.
Police spokesman Jeff Rinaldo later attributed the statement to officers not directly involved in the incident, adding that when the video had emerged the two policemen who pushed the demonstrator had been suspended without pay.
On the same evening, a delivery driver in New York City was arrested 27 minutes after the city’s curfew had started, despite being a key worker exempt from the curfew.
NYPD officers arrest an essential worker—his Caviar bag is sitting by his bike, 27 min after curfew at 108 and Central Park West in Manhattan
city and state officials assured essential workers they are exempt
at least three white shirts (commanding officers) are present pic.twitter.com/92aI7UdODU
— peter hess (@PeterNHess) June 5, 2020
End of Twitter post by @PeterNHess
And in the Williamsburg area of the city, police were filmed charging demonstrators, throwing at least one person to the ground.
Other videos showed a man lying on the ground bleeding from the head, and being arrested.
How have the authorities responded?
On Thursday New York State Governor Andrew Cuomo defended police, saying they were not beating citizens “for no reason”, and if they did “it’s wrong”.
City Mayor Bill de Blasio said the authorities were “doing everything from a perspective of restraint”.
But both men have since condemned the incidents which emerged overnight.
“Police officers must enforce – NOT ABUSE – the law,” he said.
Meanwhile Mayor de Blasio said he had complained to the city police department after seeing the video of the arrest of the delivery worker.
What is the background?
The incidents happened as police enforced curfews in dozens of cities across the US after a wave of protests sparked by George Floyd’s death.
Floyd, 46, was stopped by police investigating the purchase of cigarettes with counterfeit money on 25 May in Minneapolis.
A video showed him being arrested and a white police officer continuing to kneel on his neck for several minutes even after he pleaded that he could not breathe.
Protests erupted and have continued since, across many US cities and also internationally, with rallies on Wednesday in Australia, France, the Netherlands and in the UK, where thousands gathered in central London.
Police in Australia have sought to ban a rally on Saturday in the city of Sydney, amid fears of coronavirus health risks. Thousands are expected to attend.
Floyd’s death follows the high-profile cases of Michael Brown in Ferguson, Missouri; Eric Garner in New York; and others that have driven the Black Lives Matter movement in recent years.
For many, the outrage over Floyd’s death also reflects years of frustration over socio-economic inequality and discrimination.
Protests over the death continued in dozens of cities on Thursday despite widespread curfews.
They followed a memorial service attended by hundreds, who stood in silence for eight minutes and 46 seconds, the amount of time Floyd was alleged to have been on the ground under the control of police in Minneapolis.
A lawyer for George Floyd told the service a “pandemic of racism” had led to his death.
Giving the eulogy, civil rights activist the Reverend Al Sharpton said it was time to stand up and say “get your knee off our necks”.
US protests timeline
George Floyd dies after police arrest
25 May 2020
George Floyd dies after being arrested by police outside a shop in Minneapolis, Minnesota. Footage shows a white officer, Derek Chauvin, kneeling on Mr Floyd’s neck for several minutes while he is pinned to the floor. Mr Floyd is heard repeatedly saying "I can’t breathe". He is pronounced dead later in hospital.
Four officers involved in the arrest of George Floyd are fired. Protests begin as the video of the arrest is shared widely on social media. Hundreds of demonstrators take to the streets of Minneapolis and vandalise police cars and the police station with graffiti.
Protests spread to other cities including Memphis and Los Angeles. In some places, like Portland, Oregon, protesters lie in the road, chanting "I can’t breathe". Demonstrators again gather around the police station in Minneapolis where the officers involved in George Floyd’s arrest were based and set fire to it. The building is evacuated and police retreat.
President Trump blames the violence on a lack of leadership in Minneapolis and threatens to send in the National Guard in a tweet. He follows it up in a second tweet with a warning "when the looting starts, the shooting starts". The second tweet is hidden by Twitter for "glorifying violence".
CNN reporter arrested
A CNN reporter, Omar Jimenez, is arrested while covering the Minneapolis protest. Mr Jimenez was reporting live when police officers handcuffed him. A few minutes later several of his colleagues are also arrested. They are all later released once they are confirmed to be members of the media.
Derek Chauvin charged with murder
Former Minneapolis police officer Derek Chauvin, 44, is charged with murder and manslaughter. The charges carry a combined maximum 35-year sentence.
Sixth night of protests
Violence spreads across the US on the sixth night of protests. A total of at least five people are reported killed in protests from Indianapolis to Chicago. More than 75 cities have seen protests. At least 4,400 people have been arrested. Curfews are imposed across the US to try to stem the unrest.
Trump threatens military response
President Trump threatens to send in the military to quell growing civil unrest. He says if cities and states fail to control the protests and "defend their residents" he will deploy the army and "quickly solve the problem for them". Mr Trump poses in front of a damaged church shortly after police used tear gas to disperse peaceful protesters nearby.
Eighth night of protests
Tens of thousands of protesters again take to the streets. One of the biggest protests is in George Floyd’s hometown of Houston, Texas. Many defy curfews in several cities, but the demonstrations are largely peaceful.