Chicago Public Schools prevented federal immigration officers from going into an elementary school on Chicago’s Southwest Side Friday and talking to students, according to school officials. The agents showed up at 11:15 a.

Chicago Public Schools reported that ICE agents attempted to enter Hamline Elementary School Friday morning, but staff followed protocol, keeping the agents outside and ensuring no disruption to classes.

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.