SAN JOSE (CBS SF) — Authorities were asking for the public’s help in finding the person who shot an arrow into the back of a man walking in a San Jose residential neighborhood, on Tuesday.

It happened at about 2:30 p.m., in the 2600 block of Sierra Grande Way at South Capitol Avenue.

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A Valley Transportation Authority (VTA) worker was taking a walk during his break, when an unknown assailant shot him in the back with an arrow, according to the Santa Clara County Sherriff’s office.

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The victim was taken to a hospital and so far, his condition is unknown.

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The incident is under investigation. Anyone with information to contact the Santa Clara County Sheriff’s Office at (408) 808-4500.