Jailed American basketball star Brittney Griner on Thursday pleaded guilty to drug possession during her trial in Moscow but said she had no intention of committing a crime.

Representatives for Griner confirmed to The Associated Press that the WNBA star pleaded guilty to drug possession charges.

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Russian news reports quoted Griner as saying through an interpreter at the court hearing that she had acted unintentionally because she was packing in haste.

Griner was detained in February at Moscow’s Sheremetyevo Airport after vape canisters with cannabis oil allegedly were found in her luggage. She faces up to 10 years in prison if convicted of large-scale transportation of drugs.

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The trial of the Phoenix Mercury star and two-time Olympic gold medalist began last week amid a growing chorus of calls for Washington to do more to secure her freedom nearly five months after her arrest.

Before Thursday’s hearing, Russian police escorted Griner, handcuffed and clad in a bright red T-shirt and sports trousers, into the courtroom past a crowd of journalists.

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The athlete was detained in February at Moscow’s Sheremetyevo Airport after vape canisters with cannabis oil allegedly were found in her luggage. She faces up to 10 years in prison if convicted of large-scale transportation of drugs.

Elizabeth Rood, deputy chief of mission at the U.S. Embassy in Moscow, told reporters after the hearing that she spoke to Griner in the courtroom and shared a letter from President Joe Biden that she read.

“She’s eating well, she’s able to read books and under the circumstances she’s doing well,” Rood said of Griner.

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“I would like again to emphasise the commitment of the U.S. government at the very highest level to bring home safely Ms. Griner and all U.S. citizens wrongfully detained as well as the commitment of the U.S. Embassy in Moscow to care for and protect the interests of all U.S. citizens detained or imprisoned in Russia,” Rood said.

Russian Deputy Foreign Minister Sergei Ryabkov bristled at the U.S. description of Briner as “wrongfully detained” and warned that “attempts by the American side to make noise in public … don’t help the practical settlement of issues.”

The White House said Biden called Griner’s wife on Wednesday to assure her that he’s doing all he can to obtain the athlete’s release, as soon as possible. They spoke after Biden read a letter from Griner in which she said she feared she’d never return home.

Washington hasn’t made public its strategy in the case and the United States may have little leverage with Moscow because of strong animosity due to Russia’s military actions in Ukraine. The State Department has designated Griner as wrongfully detained, moving her case under the supervision of its special presidential envoy for hostage affairs, effectively the government’s chief hostage negotiator.