The Trump administration has detained Palestine cause supporters linked to American universities as part of its crackdown on immigrants expressing political views.

President Donald Trump and other officials have labelled protesters as "pro-Hamas" and "anti-Israel". But many protesters have said they were speaking out against Israel's genocidal war in besieged Gaza. US officials say some 300 visas of students have been cancelled so far.

Some individuals, unrelated to the Gaza war protests, have also been detained or deported.

Here’s a look at more than a dozen people known to have been taken into custody or deported by US Immigration and Customs Enforcement officials in recent weeks.

Rumeysa Ozturk

Federal officers detained 30-year-old Turkish student Rumeysa Ozturk on Tuesday as she walked along a street in suburban Boston. A senior Department of Homeland Security spokesperson said without providing evidence that an investigation found Ozturk, a doctoral student at Tufts University, had "engaged in activities in support of Hamas," a US-designated terrorist group.

Friends and colleagues of Ozturk said her only known activism was co-authoring an op-ed in a student newspaper that called on Tufts University to engage with student demands to cut ties with Israel. Ozturk has been taken to an ICE detention center in Louisiana. A US District judge has given the government until Friday to explain why Ozturk was being detained.

Mahmoud Khalil

Earlier this month, immigration enforcement agents arrested and detained Mahmoud Khalil, a legal US resident and Palestinian activist who was prominent in protests at Columbia last year.

The administration has said it revoked Khalil’s green card because his role in the campus protests amounted to antisemitic support for Hamas. He is fighting deportation.

Khalil served as a negotiator for Columbia students as they bargained with university officials over an end to their campus tent encampment last spring. He was born in Syria but is a legal US resident married to an American citizen.

Yunseo Chung

Yunseo Chung is a Columbia student and lawful US resident who has lived in the country since moving to America from Korea as a child. Earlier this month, Chung attended and was arrested at a sit-in at nearby Barnard College protesting the expulsion of students who had participated in pro-Palestine activism.

The Department of Homeland Security in seeking to deport her has said Chung "engaged in concerning conduct," including being arrested on a misdemeanor charge. A judge ordered immigration agents not to detain Chung while her legal challenge is pending.

Badar Khan Suri

Badar Khan Suri, a Georgetown scholar from India, was arrested outside his Virginia home and detained by the Trump Administration on accusations of spreading Hamas propaganda.

Suri’s attorney wrote in a court filing that Suri was targeted because of his social media posts and his wife’s "identity as a Palestinian and her constitutionally protected speech." Suri holds a visa authorizing him to be in the US as a visiting scholar, and his wife is a US citizen, according to court documents.

Suri was taken to a detention facility in Louisiana, according to a government website. His lawyers are seeking his immediate release and to halt deportation proceedings.

Leqaa Kordia

Leqaa Kordia, a resident of Newark, New Jersey, was detained and accused of failing to leave the US after her student visa expired. Federal authorities said Kordia was a Palestinian from the West Bank and that she had been arrested at or near Columbia during pro-Palestine protests. Columbia said it had no record of her being a student there.

Kordia is being held in an immigration detention centre in Alvarado, Texas, according to a government database.

Ranjani Srinivasan

Ranjani Srinivasan, an Indian citizen and doctoral student at Columbia, fled the US after immigration agents searched for her at her university residence. The Trump administration has said it had revoked Srinivasan's visa for "advocating for violence and terrorism."

Srinivasan opted to "self-deport."

Officials didn’t say what evidence they had that Srinivasan had advocated violence. Her lawyers denied the accusations, and she told The New York Times that she was not involved in organising any Columbia protests.

Alireza Doroudi

Alireza Doroudi was detained by ICE on Tuesday, the university confirmed. The Crimson White, the student newspaper, reported that Doroudi had been detained, but neither the university nor the newspaper explained why Doroudi had been taken into ICE custody.

David Rozas, a lawyer representing Doroudi, said in an email that Doroudi was being detained in Alabama but believed he would be moved to an immigration facility in Jena, Louisiana.

Doroudi is a doctoral student from Iran studying mechanical engineering, Rozas said. Doroudi said he wasn't aware of any suspected criminal activity or violations of his lawful status.

Dr. Rasha Alawieh

Dr. Rasha Alawieh, a kidney transplant specialist from Lebanon who previously worked and lived in Rhode Island, was deported earlier this month — after a federal judge ordered that she not be removed until a hearing could be held.

Homeland Security officials said Alawieh was deported as soon as she returned to the US from Lebanon, despite having a US visa, because she "openly admitted" supporting former Hezbollah leaderHassan Nasrallah. Alawieh told officers she followed him for his religious and spiritual teachings and not his politics, court documents said.

She was to start work at Brown University as an assistant professor of medicine. Stephanie Marzouk, Alawieh’s lawyer, has said she would fight to get the 34-year-old doctor back to the US.

Momodou Taal

Momodou Taal, a Cornell University student faces deportation after being denied relief by a federal judge hearing his legal challenge against the Trump administration.

Judge Elizabeth Coombe rejected requests from Taal to temporarily halt his removal proceedings and the enforcement of two executive orders from Trump. 

The 31-year-old citizen of the United Kingdom and Gambia had his student visa revoked this month and was asked to surrender to Immigration and Customs Enforcement authorities for removal proceedings.

French scientist

An unnamed French researcher who had come to attend a conference in US was barred entry because he had expressed a "personal opinion" on American research policy.

"I learned with concern that a French researcher, on assignment for the French National Center for Scientific Research, who was traveling to a conference near Houston was denied entry to the United States before being expelled," said the Minister of Higher Education and Research, Philippe Baptiste, in a statement.

"This measure was apparently taken by the American authorities because the researcher's phone contained exchanges with colleagues and friends in which he expressed a personal opinion on the Trump administration's research policy," he added.

Ma Yang

A woman, born in a refugee camp and brought to America at eight months old, is contesting her deportation to Laos.

Ma Yang informed the Milwaukee Journal that she is detained by military authorities in a Laos rooming house. Though allowed to leave, she fears venturing out alone in an unfamiliar country.

She served 2.5 years in a US prison under a plea deal. Prosecutors claimed she counted and packaged cash for marijuana suppliers. She accepted the deal, adding she was misled by her attorney about immigration impacts.

Authorities eventually revoked her green card.

Rebecca Burke

US officials detained British woman Rebecca Burke for three weeks before letting her back to UK.

Burke, 28, a graphic artist from Monmouthshire, was denied entry into Washington from Canada. Authorities advised her to return to the US, complete new paperwork, and try again. Upon attempting to re-enter the US, she was handcuffed, detained, and transferred to the Tacoma Northwest Detention Facility.

Lucas Sielaff

Lucas Sielaff, a German visiting his fiancee, Dr. Lennon Tyler, in the US, claimed he was detained for two weeks by border officers near San Diego.

Sielaff, 25, reported that US Customs officers handcuffed him and his American fiancée at the San Diego-Mexico border from Tijuana last month.

"They rip my hair tie out. They do a body check. They make me open my mouth. They fingerprint me," Tyler told the media. "I say, 'Is this legal? Can I have a lawyer?' They say, 'You don't have a right to have a lawyer. You’re being detained in a secure building.'"

Jasmine Mooney

Canadian actress Jasmine Mooney was recently detained while attempting to enter the US from Mexico.

Mooney travelled from Vancouver to California for a wellness company job. Her work visa was revoked by a US border officer. She tried to renew her travel authorisation at San Ysidro.

Mooney endured three nights in reportedly dire conditions, sleeping on just a mat and blanket, before being moved to Arizona's San Luis Regional Detention Center.

Fabian Schmidt 

Fabian Schmidt, a German national with a green card residing in Nashua, may face two months in Immigration and Customs Enforcement custody.

US officials arrested and questioned Schmidt, a legal US resident, at Boston Logan Airport on March 7, his mother reported. He was later moved to federal detention.

Astrid Senior, Schmidt's mother, says they moved from Germany to the US in 2007, obtaining green cards in 2008. Schmidt, residing in New Hampshire, renewed his permanent residency last year.

Jessica Brosche

Jessica Brosche, a German tourist detained by US immigration authorities returned home after spending more than six weeks in detention, including eight days in solitary confinement.

Brosche, a 29-year-old tattoo artist from Berlin, was held at the Otay Mesa Detention Center, a prison in San Diego, California.

In a March 1 phone interview with ABC 10News San Diego, Brosche described her eight days in solitary confinement as "horrible" and expressed a strong desire to return home.