Fearing federal agents asking to search a Chicago elementary school Friday morning were from Immigration and Customs Enforcement, school officials denied them entry. But it turned out they were US Secret Service agents pursuing an investigation.

Chicago Public Schools said its officials erred Friday when they claimed immigration agents had gone to a school, mistaken information that caused alarm amid fears

U.S. Immigration and Customs Enforcement agents were seen at a Chicago school Friday afternoon, according to officials with the city's public school district, though a spokesperson for the agency denied such an encounter.