School officials said ICE agents tried to enter Hamline Elementary Friday morning, spurring panic. The Secret Service later claimed responsibility.

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.

U.S. Immigration and Customs Enforcement agents attempted entry into a Chicago elementary school Friday morning, but were not allowed inside or permitted to speak to anyone inside, Chicago Public Schools officials said.