Two Minnesota school districts and an 89,000-member teachers’ union filed a lawsuit Wednesday against the Department of Homeland Security, accusing federal agents of breaking their promise not to conduct raids inside or around schools during Operation Metro Surge. “The Department of Homeland Security scrapped that policy without explanation, without using the proper procedures,” attorney June Hoidal told MPR News. “And that’s not how federal agencies get to act.” The lawsuit, filed by Fridley