Protesters gathered at Kennedy Airport to demonstrate in support of refugees, a day after President Donald Trump signed an executive order barring non-U.S. citizens from seven Muslim-majority nations from entering the country and halting the admission of refugees.

Refugees who were en route to the United States when the order was signed have been detained at the airport, including two Iraqi refugees, according to the National Immigration Law Center.

A coalition of groups including the American Civil Liberties Union have filed suit on behalf of the two Iraqi refugees and are seeking to establish a class on behalf of all people who have been detained after the order.

One of the Iraqi refugees, Hameed Khalid Darweesh, has since been released, Rep. Jerry Nadler (D-Manhattan) and Rep. Nydia Velazquez (D-Brooklyn) announced Saturday afternoon.

A slew of immigrants' rights groups including the New York Immigration Coalition and the Arab American Association of New York announced their official endorsement of the demonstration outside Terminal 4 at the airport, an action they expected to last through the evening.

Protesters gather at JFK International Airport to rally
Protesters gather at JFK International Airport to rally against Donald Trump's executive order on Jan. 28, 2017. (Credit: AFP / Getty Images / Bryan R. Smith)
Protesters gather at JFK International Airport to rally
Protesters gather at JFK International Airport to rally against Donald Trump's executive order on Jan. 28, 2017. (Credit: AFP/Getty Images / BRYAN R. SMITH)
Protesters gather at JFK International Airport to rally
Protesters gather at JFK International Airport to rally against Donald Trump's executive order on Jan. 28, 2017. (Credit: AFP / Getty Images / Bryan R. Smith)

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Protesters gather at JFK International Airport to rally
Protesters gather at JFK International Airport to rally against Donald Trump's executive order on Jan. 28, 2017. (Credit: Getty Images / Stephanie Keith)
Protesters gather at JFK International Airport to rally
Protesters gather at JFK International Airport to rally against Donald Trump's executive order on Jan. 28, 2017. (Credit: AFP / Getty Images / Bryan R. Smith)
Protesters gather at JFK International Airport to rally
Protesters gather at JFK International Airport to rally against Donald Trump's executive order on Jan. 28, 2017. (Credit: Getty Images / Stephanie Keith)
Protesters gather at JFK International Airport to rally
Protesters gather at JFK International Airport to rally against Donald Trump's executive order on Jan. 28, 2017. (Credit: AFP / Getty Images / Bryan R. Smith)
Protesters rally in support of refugees at JFK
Protesters rally in support of refugees at JFK on Jan. 28, 2017. (Credit: AFP / Getty Images / Bryan R. Smith)

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Actress Cynthia Nixon joins protestors at JFK International
Actress Cynthia Nixon joins protestors at JFK International Airport to rally against Donald Trump's executive order on Jan. 28, 2017. (Credit: Getty Images / Stephanie Keith)
Protesters rally in support of refugees at JFK
Protesters rally in support of refugees at JFK on Jan. 28, 2017. (Credit: AFP / Getty Images / Bryan R. Smith)
Protesters gather at JFK International Airport to rally
Protesters gather at JFK International Airport to rally against Donald Trump's executive order on Jan. 28, 2017. (Credit: AFP / Getty Images / Bryan R. Smith)
Protesters rally during a demonstration at JFK on
Protesters rally during a demonstration at JFK on Jan. 28, 2017, the day after President Donald Trump signed an executive order barring non-U.S. citizens from seven Muslim-majority nations from entering the country. (Credit: Getty Images / Stephanie Keith)
Protesters rally in support of refugees at JFK
Protesters rally in support of refugees at JFK on Jan. 28, 2017. (Credit: Getty Images / Stephanie Keith)

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Protesters rally in support of refugees at JFK
Protesters rally in support of refugees at JFK on Jan. 28, 2017. (Credit: Getty Images / Stephanie Keith)
Protesters rally in support of refugees at JFK
Protesters rally in support of refugees at JFK on Jan. 28, 2017. (Credit: Getty Images / Stephanie Keith)
Protesters rally during a demonstration at JFK on
Protesters rally during a demonstration at JFK on Jan. 28, 2017, the day after President Donald Trump signed an executive order barring non-U.S. citizens from seven Muslim-majority nations from entering the country. (Credit: Getty Images / Stephanie Keith)
Protesters rally during a demonstration at John F.
Protesters rally during a demonstration at John F. Kennedy International Airport on Jan. 28, 2017, the day after President Donald Trump signed an executive order barring non-U.S. citizens from seven Muslim-majority nations from entering the country. (Credit: Getty Images / Stephanie Keith)
Protesters gather at Terminal 4 for international arrivals
Protesters gather at Terminal 4 for international arrivals at JFK Airport following the release of Hameed Khalid Darweesh on Jan. 28, 2017. (Credit: Steven Sunshine)
Tara Raghuveer, 24, an organizer from the National
Tara Raghuveer, 24, an organizer from the National Partnership for New Americans, which is based in Chicago, leads protesters in a chant at JFK's Terminal 4 on Jan. 28, 2017. (Credit: Steven Sunshine)
Protesters hold signs during a protest against President
Protesters hold signs during a protest against President Donald Trump's travel ban at Kennedy Airport on Saturday, Jan. 28, 2017. (Credit: Getty Images / Stephanie Keith)
Kennedy Airport protesters rally in support of Muslims
Kennedy Airport protesters rally in support of Muslims after an executive order banned travel to the United States by citizens of seven Muslim-majority countries. (Credit: Getty Images / Stephanie Keith)
Protesters at Kennedy Airport hold signs against the
Protesters at Kennedy Airport hold signs against the suspension of the country's refugee program. (Credit: Getty Images / Stephanie Keith)
Protesters demand the acceptance of refugees after a
Protesters demand the acceptance of refugees after a new executive order led Iraqi refugees and others to be detained at Kennedy Airport. (Credit: Getty Images / Stephanie Keith)
Protesters at Kennedy Airport. President Donald Trump said
Protesters at Kennedy Airport. President Donald Trump said Christian refugees to the United States will be given priority. (Credit: Getty Images / Stephanie Keith)
Protesters hold signs against the suspension of the
Protesters hold signs against the suspension of the country's refugee program at Kennedy Airport. (Credit: Getty Images / Stephanie Keith)
Protesters at Kennedy Airport as the travel ban
Protesters at Kennedy Airport as the travel ban goes into effect. (Credit: Getty Images / Stephanie Keith)
Protesters at Kennedy Airport hold signs during a
Protesters at Kennedy Airport hold signs during a rally in support of refugees and others blocked from traveling to the country by an executive order. (Credit: Getty Images / Stephanie Keith)
A protester's sign references the Statue of Liberty
A protester's sign references the Statue of Liberty outside Kennedy Airport. (Credit: Getty Images / Stephanie Keith)
Protesters at Kennedy Airport decry Trump's executive order.
Protesters at Kennedy Airport decry Trump's executive order. (Credit: Getty Images / Stephanie Keith)
Protesters at Kennedy Airport call for travelers with
Protesters at Kennedy Airport call for travelers with legal visas to be admitted to the country on Saturday, Jan. 28, 2017. (Credit: Getty Images / Stephanie Keith)