A bank robber used a "hoax device" Monday when he left a package and note with a bank employee and said it was a bomb, officials said.
The call came in around 10:35 a.m. at the Union Bank located at 12221 Norwalk Boulevard, according to the Los Angeles County Sheriff’s Department.
The robber, described as a man with a plaid shirt and gray hooded sweatshirt, placed the hoax device on a bank teller's counter and demanded money, according to a news release from the Los Angeles County Sheriff's Department.
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He left the bank with an unknown amount of cash.
Aerial video showed at least five patrol vehicles in the parking lot of the bank around 11 a.m.
No injuries were reported in the incident.
The bank robber has not been located, authorities said.