Hundreds defied coronavirus restrictions to gather and protest violence against women, but the event ended with clashes between police and those attending.

Home Secretary Priti Patel said scenes from Saturday’s vigil in south London were “upsetting” and she is seeking a full report on what happened from the Metropolitan Police. The capital’s mayor, Sadiq Khan, said the police response was “at times neither appropriate nor proportionate.”

Police were seen scuffling with some women at the event, and one woman was seen pinned to the ground by two officers. Several women were led away in handcuffs as other attendees chanted “Shame on you” at police. The force later said four people were arrested for violating public order and coronavirus regulations.

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Defending the force’s actions, Assistant Commissioner Helen Ball said “hundreds of people were packed tightly together,” posing a very real risk of transmitting the virus. She added that officers had repeatedly encouraged those attending to leave, but “a small minority” of people chanted at police, pushing and throwing objects.

“We accept that the actions of our officers have been questioned,” Ball said. “We absolutely did not want to be in a position where enforcement action was necessary. But we were placed in this position because of the overriding need to protect people’s safety.”

Many of those attending the vigil were already wary of police because a serving Metropolitan Police officer, Wayne Couzens, was charged with the kidnap and murder of Sarah Everard, a 33-year-old woman who vanished March 3 while walking home in London. Her body was found a week later.

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The case has sparked a national outcry and a heated debate on women’s safety. Organizers had planned an official vigil at Clapham Common, a park near where Everard was last seen alive, but were forced to cancel the event because of COVID-19 restrictions. A huge crowd turned up Saturday nonetheless.

Jamie Klingler, who organized the canceled “Reclaim These Streets” event, blamed police for denying women their right to have a silent vigil in the first place. The force got the angry reaction Saturday because they refused to facilitate a peaceful rally, she said.

“I think we were shocked and really, really sad and to see videos of policemen handling women at a vigil about violence against women by men ... I think it was painful and pretty triggering to see,” Klingler told Britain’s PA Media news agency Sunday.

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Couzens, 48, appeared in court Saturday for the first time. He was remanded in custody and has another appearance scheduled Tuesday at London’s Central Criminal Court.

The Metropolitan Police has said it is “deeply disturbing” that one of its own is a suspect in the case. The force said Couzens joined its ranks in 2018 and most recently served in the parliamentary and diplomatic protection command, an armed unit responsible for guarding embassies in the capital and Parliament.

Everard was last seen walking home from a friend’s apartment in south London at about 10:30 p.m. on March 3. Her body was found hidden in an area of woodland in Kent, more than 50 miles southeast of London, on Wednesday. A post-mortem examination was underway, police said Friday.