BOSTON – A Tufts University student from Turkey returned to Boston on Saturday, one day after being released from a Louisiana immigration detention center where she was held for over six weeks.

Upon arrival at Logan Airport, Rumeysa Ozturk told reporters she was excited to get back to her studies during what has been a “very difficult” period.

“In the last 45 days, I lost both my freedom and also my education during a crucial time for my doctoral studies,” she said. “But I am so grateful for all the support, kindness and care.”

A judge ordered Ozturk’s release pending a final decision on her claim that she was illegally detained following an op-ed she co-wrote last year criticizing her university’s response to Israel and the war in Gaza.

Ozturk said she will continue her case in the courts, adding, “I have faith in the American system of justice.”

She was joined by her lawyers and two of Massachusetts’ Democratic members of Congress, Sen. Edward Markey and Rep. Ayanna Pressley.

“Today is a tremendous day as we welcome you back, Rumeysa,” Markey said. “You have made millions and millions of people across our country so proud of the way you have fought.”

Appearing by video for her bail hearing Friday, Ozturk, 30, detailed her growing asthma attacks in detention and her desire to finish her doctorate focusing on children and social media.

U.S. District Judge William Sessions in Vermont ruled that she was to be released on her own recognizance with no travel restrictions. She was not a danger to the community or a flight risk, he said, while noting that he might amend the release order to consider any conditions by U.S. Immigration and Customs Enforcement, or ICE, in consultation with her lawyers.

Sessions said the government offered no evidence for why Ozturk was arrested other than the op-ed.

The U.S. Justice Department’s Executive Office for Immigration Review did not respond to an email message seeking comment Friday afternoon.

Ozturk was one of four students who wrote the opinion piece last year in campus newspaper The Tufts Daily. It criticized the university’s response to student activists demanding that Tufts “acknowledge the Palestinian genocide,” disclose its investments and divest from companies with ties to Israel.

On March 25 immigration officials surrounded Ozturk in Massachusetts and took her into custody. She was then driven to New Hampshire and Vermont and flown to a detention center in Basile, Louisiana.

Her student visa had been revoked several days earlier, but she was not informed of that, her lawyers said.

Ozturk’s lawyers first filed a petition on her behalf in Massachusetts, but they did not know where she was and were unable to speak to her until more than 24 hours after she was detained. A Massachusetts judge later transferred the case to Vermont.

A State Department memo said Ozturk’s visa was revoked following an assessment that her actions “‘may undermine U.S. foreign policy by creating a hostile environment for Jewish students and indicating support for a designated terrorist organization’ including co-authoring an op-ed that found common cause with an organization that was later temporarily banned from campus.”

A Department of Homeland Security spokesperson said in March, without providing evidence, that investigations found that Ozturk engaged in activities in support of Hamas, which the U.S. has designated as a terrorist group.

This week a federal appeals court upheld Sessions’ order to bring Ozturk back to New England for hearings to determine whether her constitutional rights, including free speech and due process, were violated, as her lawyers argue.

Immigration proceedings for Ozturk, initiated in Louisiana, are being conducted separately in that state and Ozturk can participate remotely, the court said.

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Rush reported from Portland, Oregon. Associated Press writers Kathy McCormack and Holly Ramer in Concord, New Hampshire, and Michael Casey in Boston contributed.