Nigerian software engineer detained at New York airport and made to sit a written test to prove his skills

A Nigerian software engineer, Celestine Omin claims that he was made to sit a written test by US airport immigration officers in order to prove his skills. Omin, 28, who works with Andela, a tech start-up, landed in New York's JFK airport last Sunday after a 24-hour flight from Nigeria. He had been granted a short-term visa to work with First Access, a financial technology company in Manhattan