SAN ANTONIO (CBSLA.com) — The lunch rush turned downright dangerous Wednesday, when a waiter fired several shots after arguing with a customer about an order.

It’s not clear what went wrong with the order, or the food, at the Little Red Barn steakhouse.

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Witnesses say a customer hit the waiter several times.

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The waiter got a gun and fired several shots into the ceiling, sending customers and restaurant staff running.

No one was hit.

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Police say the waiter and the customer could face charges.