LOS ANGELES (AP) — Los Angeles students and teachers return to class for the new academic year on Thursday under a cloud of apprehension after a summer filled with immigration raids and amid worries that schools could become targets in the Trump administration's aggressive crackdown.

Los Angeles Unified School District Superintendent Alberto Carvalho has urged immigration authorities not to conduct enforcement activity within a two-block radius of schools, starting an hour before the school day begins and until one hour after classes let out.

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