Hector Velasquez was playing cards with friends at MacArthur Park in Los Angeles early Monday when a young man with a megaphone walked through announcing federal agents were on their way. Another man drove past in a car,

Residents were outraged after dozens of federal agents marched through MacArthur Park, in one of the city’s most immigrant-heavy neighborhoods. Homeland Security officials said it was an immigration enforcement operation.

Federal troops paraded through MacArthur Park on Monday in an astonishing show of force. Mayor Karen Bass says LA is a testing site for a national project.