MALIBU (CBSLA) — A sign posted along Pacific Coast Highway in Malibu was drawing a great deal of attention and controversy Tuesday.

It reads: “OFFICIAL SANCTUARY CITY ‘Cheap Nannies and Gardeners Make Malibu Great!’ (Boyle Heights Not So Much)”

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The sign was posted along Pacific Coast Highway, west of Leo Carrillo State Park, near the Los Angeles County line.

Malibu City Councilman Rick Mullen called it a “prank.”

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Councilwoman Laura Rosenthal said: “This was not put up by the city.”

“The sign was not put up by the city. It will be removed,” City Manager Reva Feldman told CBS2.

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So who put up the sign? No one has claimed responsibility so far.