By Omar Younis, Brad Brooks, Phil Stewart and Idrees AliLOS ANGELES (Reuters) -U.S. Marines deployed to Los Angeles made their first detention of a civilian on Friday, part of a rare use of military force to support domestic police and coming ahead of national protests over President Donald Trump's military parade in Washington.

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Eighty-one arrests were made in LA on Wednesday night: 71 for failure to disperse, seven for curfew violation, two for assault with a deadly weapon on a police officer and one for resisting a police ...