Court documents reveal secretive federal unit deployed for 'Operation Diligent Valor' in Oregon

FILE PHOTO: Mothers dressed in yellow take part in a demonstration against the presence of federal law enforcement officers and racial inequality in Portland, Oregon, U.S., July 21, 2020. REUTERS/Caitlin Ochs

(Reuters) - The U.S. Department of Homeland Security has deployed more than 100 federal agents to Portland, Oregon, on a mission named "Operation Diligent Valor" to patrol government buildings as anti-racism protests flared this month, court documents show.

The documents, filed on Tuesday, helped shed light on what had been a secretive operation that involved days of violent clashes between unidentified federal law enforcement officers and anti-racist protesters outside a federal courthouse.