Chicago Public Schools CEO Pedro Martinez said it was all a "misunderstanding" after U.S. Secret Service agents showed up at Hamline Elementary School and were mistaken as Immigration and Customs Enforcement (ICE) officers.

Chicago Public Schools prevented federal officers from from going into an elementary school on Chicago’s Southwest Side Friday and talking to students, according to school officials.

Despite earlier reports that ICE agents tried to enter a Chicago elementary school Friday, the agency says it wasn't them. So what exactly happened?

The U.S. Secret Service told the I-Team they approached a South Side school Friday. Chicago Public Schools officials had initially said the agents were from U.S. Immigration and Customs Enforcement.

The operation began at a home and later extended to the school grounds.The agency stressed that it only investigates threats, does not enforce immigration laws.

Chicago Public Schools officials reportedly mistook Secret Service agents for ICE officers during a chaotic morning incident amid migrant crackdowns.

Chicago Public Schools officials incorrectly said U.S. Immigration and Customs Enforcement Agents attempted to enter a South Side elementary school.

Chicago Public Schools officials said in a press conference Friday that Immigration and Customs Enforcement (ICE) agents showed up at an elementary school in the city but were denied entry.  But

CHICAGO -- The U.S. Secret Service said its agents visited a Chicago elementary school Friday while investigating a threat, hours after school officials mistakenly claimed that U.S. Immigration and Customs Enforcement agents had come to the building.

Officials with Chicago Public Schools claimed U.S. Immigration and Customs Enforcement agents were seen at Hamline Elementary School. The Secret Service said special agents were investigating a threat.

Chicago officials admitted they confused Secret Service agents who showed up at an elementary school to investigate a threat for ICE agents.

At least eight large public school districts across the United States have vowed in recent days to try to protect undocumented immigrant students and their families from President Donald Trump's mass deportation push.