How Trump's abrupt immigration ban sowed confusion at airports, agencies

People chant as they gather in protest against the travel ban imposed by U.S. President Donald Trump's executive order, at Dallas/Fort Worth International Airport in Dallas, Texas, U.S. January 28, 2017. REUTERS/Laura Buckman

NEW YORK (Reuters) - After immigration agents detained two Iraqis on Saturday at New York's John F. Kennedy International Airport, their lawyers and two U.S. lawmakers accompanying them tried to cross into a secure area to consult with the men.

Border protection agents held them back, sparking a heated exchange.