LOS ANGELES — Frustrated by the city’s slow progress in painting crosswalks at intersections they believe are unsafe, activists in Los Angeles have been picking up paint rollers and doing it themselves. Now one of them has been arrested on a vandalism charge.

In a video posted online, Jonathan Hale wears a bright yellow safety vest as he's handcuffed by a police officer Sunday. His group, People's Vision Zero, had organized a guerrilla “paint party” at a four-way crossing in a leafy residential neighborhood of west LA.

“You’re vandalizing city property without a permit," the officer says.

A woman out of frame can be heard saying, “Leave him alone. He’s not doing anything wrong."

Hale and his allies have organized stealth painting operations across the city at intersections they deem da

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