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Police detain protesters during an unauthorized protest rally against the jailing of opposition leader Alexei Navalny in Moscow Sunday. Yulia Navalny, the activist's wife, was among over 1,500 people detained in the city, per AP. She was released after a few hours. Photo by Mikhail Svetlov/Getty Images

Over 5,000 demonstrators were detained in major Russian cities Sunday, as authorities cracked down on people who defied orders and protested against the detention of opposition leader Alexey Navalny, monitoring groups said.

Why it matters: Navalny's detention has united Russians from a variety of backgrounds, including those who are against his politics, to protest the authoritarian leadership of President Vladimir Putin, per the New York Times.

  • Russian prosecutors have demanded that social media platforms censor calls to join protests, AP notes.
People with Russian national flags take part in an unauthorized protest in Novosibirsk. Demonstrators rallied despite police arresting thousands of protesters last week. Photo: Kirill Kukhmar/TASS via Getty Image
Police officers detain a protester in St. Petersburg. Moscow School for Social and Economic Sciences sociologist Konstantin Gaaze told the NYT, "Navalny has, for the first time, sparked a Russian protest movement against the president." Photo: Sergei Mikhailichenko/SOPA Images/LightRocket via Getty Images
Riot police at an unauthorized rally in Vladivostok. Photo: Yuri Smityuk/TASS via Getty Images
A police officer detains a demonstrator during an unauthorized protest in the Far East city of Yakutsk in the Republic of Sakha. Photo: Vadim Skryabin/TASS via Getty Images
Moscow law enforcement officers stand guard outside Chistye Prudy metro station ahead of a planned unauthorized rally. Authorities shut stations and were restricting movement across the city, the BBC notes. Photo: Natalia Kolesnikova/AFP via Getty Images
Demonstrators and police officers in Yakutsk, where temperatures have hit -39 degrees Fahrenheit. Photo: Vadim Skryabin/TASS via Getty Image
Riot police detain a demonstrator in Novosibirsk. Photo: Kirill Kukhmar\TASS via Getty Images
The scene in St Petersburg ahead of an unauthorized rally in the port city. Photo: Alexander Demianchuk/TASS via Getty Images
Police officers detain a demonstrator during an unauthorized protest in Yekaterinburg, in the Ural Mountains. Photo: Donat Sorokin/TASS via Getty Images
Novosibirsk police officers detain demonstrators. Photo: Kirill Kukhmar/TASS via Getty Images
Vladivostok police officers detain a demonstrator. Photo: Yuri Smityuk/TASS via Getty Images
Yulia Navalny, Alexei Navalny's wife, joined protesters in Moscow, Russia. Yulia has been released after she was arrested by police officers who did not properly identify themselves, according to a tweet from Navalny's team. Photo: Yulia Navalny via AP
Police block the street at Matrosskaya Tishina, the penitentiary where Alexei Navalny is being held in Moscow. Photo: AP Photo/Dmitry Serebryakov
Moscow police officers detain a demonstrator. Photo: AP Photo/Alexander Zemlianichenko
Police officers detain a demonstrator in the Siberian city of Omsk, Russia. Photo: AP Photo
Police officers detain a demonstrator in St. Petersburg. Photo: AP Photo/Valentin Egorshin
Police officers detain demonstrator in the capital of Buryatia, near the Russia-Mongolia border. Photo: AP Photo/Anna Ogorodnik

Go deeper: Biden's Russia challenge

Editor's note: This article has been updated with more photos and the latest arrest total.

Go deeper

Super typhoon Surigae explodes to Cat. 5 intensity

Super Typhoon Surigae seen on satellite imagery Saturday morning east of the Philippines. (CIRA/RAMMB)

Super Typhoon Surigae surged in intensity from a Category 1 storm on Friday to a beastly Category 5 monster on Saturday, with maximum sustained winds estimated at 180 mph with higher gusts.

Why it matters: This storm — known as Typhoon Bising in the Philippines — is just the latest of many tropical cyclones to undergo a process known as rapid intensification, a feat that studies show is becoming more common due to climate change.

2 hours ago - World

In photos: The funeral of Prince Philip puts military and royal tradition on display

Prince Philip’s coffin, covered with His Royal Highness’s Personal Standard is carried to the purpose built Land Rover during the Duke of Edinburghe's funeral. Photo: Adrian Dennis/WPA Pool/Getty Images

Prince Philip, the Duke of Edinburgh who died April 9 at age 99, will be laid to rest on Saturday following a funeral service at St. George’s Chapel on the grounds of Windsor Castle.

The big picture: "His send-off will be highly unusual — in part because coronavirus restrictions meant the ceremony had to be scaled back, but also because it comes just after a very public airing of a family rift," The New York Times writes.