Protests erupted in the United States after the death of a young black man, Daunte Wright, on Sunday near Minneapolis.
In this city, a curfew at 7 p.m. has been declared.
"The peaceful protests are understandable," said Joe Biden, while stressing that there was "absolutely no justification" for the violence.
Calls for calm, curfew, National Guard soldiers: US authorities have stepped up security in Minneapolis to prevent the city from igniting after the death of a young black man shot dead by police during the murder trial of George Floyd.
"The peaceful protests are understandable" after the "tragic" death of Daunte Wright, commented Democratic President Joe Biden, saying he is aware of "the anger, the pain, the suffering that exists in black people".
Minneapolis curfews
But "there is absolutely no justification" for the violence, he added, calling on the population of this large city in the north of the United States to remain calm.
The mayors of the twin cities of Minneapolis and St. Paul have declared a state of emergency and declared a curfew from 7 p.m. to prevent any overflow, after a night of protests peppered with looting and scuffles.
Daunte Wright, a 20-year-old African-American, was "accidentally" killed on Sunday while driving in Brooklyn Center, a suburb of Minneapolis, local police chief Tim Gannon said in a statement. press conference.
During a routine police check, linked to invalid license plates, an officer "pulled out her firearm instead of her Taser", an electric pulse pistol believed to be non-lethal, he said. Explain.
Policewoman placed on leave
To support his remarks, he presented the recording of the drama by the policewoman's camera-pedestrian.
In these images, officers are seen removing the young man from his vehicle and starting to handcuff him.
The latter then opposes resistance and sits down in his car.
The policewoman can be heard shouting "taser, taser", to signal that she is going to shoot.
Instead, a gunshot echoes.
The policewoman, who was "experienced" according to her boss, was placed on leave.
His name has not yet been made public.
This drama rekindled anger in Minneapolis, which had seen several nights of riots after the death of George Floyd on May 25 under the knee of white policeman Derek Chauvin.
Protesters took to the streets again and nightly scuffles took place around the Brooklyn Center police station.
About twenty businesses were also vandalized.
A new call to demonstrate on Monday evening was launched before the curfew was announced.
Powerful civil rights organization ACLU said Daunte Wright's death was yet another "sickening example of police violence."
Stressing that 260 people have died at the hands of the police since the beginning of the year, she added: "it is high time to act with concrete measures".
NBA game between Minnesota Timberwolves and Brooklyn Nets postponed
The regular season game between the Minnesota Timberwolves and the Brooklyn Nets scheduled for Monday night in Minneapolis has been postponed, the day after the death of a young black man during his arraignment Sunday near the city, announced the NBA.
"In light of the tragic events that took place yesterday in the Minneapolis area, Monday night's meeting between the Minnesota Timberwolves and the Brooklyn Nets has been postponed. This decision was made by the NBA in consultation with the Wolves and local authorities, "the body said in a statement.