SIMI VALLEY (CBSLA) – Authorities are looking for a group of about a dozen teens who assaulted two city workers Thursday night at a Simi Valley park, leaving one of them seriously hurt.

Berylwood Park in Simi Valley, Calif. Feb. 19, 2021. (CBSLA)

The assault occurred at about 7:45 p.m. at Berylwood Park, located at 1955 Bridget Ave.

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The two Rancho Simi Parks and Recreation District employees arrived at the park to do maintenance work when they were confronted by a group of about 10 to 12 teenagers, ages 13 to 16, according to Simi Valley police.

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The teens blocked the workers from entering the park and then attacked them. One of the workers was taken to a hospital with serious injuries, while the other suffered minor injuries.

The teens ran from the area.

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No arrests have been made. Anyone with information on the suspects’ identities should call police at 805-583-6950.