Immigration agents swarmed the Studio City Hand Car Wash and arrested a handful of people on Friday.

Witnesses said federal agents arrived in unmarked vehicles and began chasing after anyone at the business.

"All of a sudden, these cars pulled up and just started pulling people," said one witness, who did not want CBS News Los Angeles sharing his name. "Everybody started screaming. My car is sitting there with towels on it."

One of the customers said he thought there was an active shooter and ran into a nearby closet with five other people. They stayed in there until the agents left.

"It was honestly the saddest thing I've ever seen," he said. "Like to see grown people, cry and scared — thinking they're going to lose their families like that."

The Department of Homeland Security said

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