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LOS ANGELES — Four people have been arrested in connection with a series of burglaries that targeted the homes of celebrities, including Rihanna, Christina Milian, Dodgers outfielder Yasiel Puig and Rams wide receiver Robert Woods, police said Tuesday.

The suspects were believed to be part of a larger burglary ring targeting actors, athletes and Hollywood producers, police said at a news conference. Police displayed seized items believed to have been stolen — including expensive purses, handbags, watches and jewelry — in the hopes that the victims could identify them.

Police last weekend also seized $50,000 in cash.

Rihanna attends the 69th Annual Parsons Benefit on May 22, 2017 in New York. Jamie McCarthy / Getty Images for The New School file

The ring may have been responsible for about two dozen burglaries and taken property worth millions of dollars, said Lillian Carranza, commanding officer of the LAPD’s Commercial Crimes Division.

More arrests were expected, she said.

The victims were chosen based on social media postings and tour and travel schedules that indicated they would be away from home, Carranza said.

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Woods, for example, had his Woodland Hills home hit on Thursday while he was playing against the Minnesota Vikings at the Los Angeles Coliseum.

Rihanna, Milian and Puig also had their homes burgled in recent months, Carranza said.

In the home of one suspect, police seized a list containing a dozen other targets, including LeBron James and actors Viola Davis and Matt Damon, along with their addresses, Carranza said.

The thieves, believed to be gang members and their associates, called their operation “flocking” because “they flocked like birds to areas where the rich and famous were sited,” Carranza said.

The crooks would wear button-down shirts and drive luxury cars to fit in as they scouted the neighborhood and then changed into casual clothing, including hoodies, before hitting homes, Carranza said.

After knocking on the door to make sure nobody was home, the thieves would break in through a door or window and clean out the master bedroom, stealing cash, weapons, watches and other items in a matter of minutes — often before the alarm company could notify police, Carranza said.

Yasiel Puig in a game against the Arizona Diamondbacks at Dodger Stadium on July 31, 2016, in Los Angeles. Jayne Kamin-Oncea / Getty Images

On Friday, police stopped a car in South Los Angeles for a reason unrelated to the burglaries and found a handgun and stolen items in it, Carranza said.

Tyress Williams and Jshawne Daniels, both 19, and Damaji Hall, 18, were arrested. Hall’s mother, 34-year-old Ashle Hall, was arrested on Sunday, Carranza said.

Williams pleaded not guilty Tuesday to four felony counts of first-degree burglary involving Rihanna, Puig, Woods and singer Tota Matthieu, City News Service reported.

The other three people arrested weren’t immediately charged pending further investigation. They remained jailed Tuesday. It wasn’t immediately clear whether they had attorneys.

There has been a rash of celebrity home burglaries in Los Angeles and nearby areas in the past two years.

In 2017, singer Alanis Morissette had about $2 million in jewelry and valuables stolen from her Brentwood mansion. The NBA’s Nick Young lost about $500,000 in jewelry and other items during a burglary at his Tarzana home.