US immigrants sworn in as naturalised citizens – in pictures

South Korean immigrant Hwi-Won Lee, 34, works as a costume designer in New York City. She was sworn in as a US citizen on Friday Photograph: John Moore/Getty Images

Nigerian immigrant and new US citizen Benjamin Njoku works as a registered nurse and lives in the Bronx Photograph: John Moore/Getty Images

US Marine reservist Torffic Hassan, 26, an immigrant from Ghana, is a nursing student living in the Bronx Photograph: John Moore/Getty Images

Hassan holds his certificate outside Federal Hall on Friday after he was naturalised as a US citizen Photograph: STAN HONDA/AFP/Getty Images

Colombian immigrant Liliana Mendez takes part in a candlelight vigil for immigration reform on Friday in New York City, hours after the Federal Hall naturalisation ceremony. The group New Yorkers for Real Immigration Reform held the vigil to call on Congress to introduce immigration reform that provides a path to citizenship for undocumented workers, slows the high number of deportations and protects workers Photograph: John Moore/Getty Images

Volunteers advise immigrants at a citizenship application assistance day on Saturday. The City University of New York – sponsors of the event at which volunteers help immigrants with the complicated process of becoming US citizens – expects to greatly expand the program if national immigration reform passes Photograph: John Moore/Getty Images

More than 150 legal immigrants, all with green cards, turned out for the CUNY immigration assistance event on Saturday Photograph: John Moore/Getty Images

Chinese immigrant Haikun Shi, 47, works as a scientist and lives in Rockland County, New York. He became a citizen on Friday at Federal Hall Photograph: John Moore/Getty Images

Egyptian immigrant Fatma Atia, 40, who was naturalised on Friday, is a homemaker and lives in the Bronx borough of New York City Photograph: John Moore/Getty Images

Atia waves an American flag during her naturalization ceremony at historic Federal Hall on Friday Photograph: Mary Altaffer/AP

Immigrants wave US flags after becoming American citizens at the naturalization ceremony at Federal Hall Photograph: John Moore/Getty Images