CHICAGO (CBS) — A woman was punched in the throat and had her purse stolen Monday outside a veterinary clinic in the southwestern section of the Lakeview community.

The attack happened at 12:20 p.m. Monday in an alley outside the Animal Medical Center of Chicago, at 1618 W. Diversey Pkwy. off Ashland Avenue, according to the animal hospital.

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The animal hospital said the woman who was attacked was a member of its own staff.

Police said the woman was punched in the throat by the assailant, who also threatened to shoot her. Her purse was also snatched, police said.

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The animal hospital said the assailant was caught by a parking lot camera.

Police had no further information, but the animal hospital described the assailant as an African-American male in his teens or early 20s, wearing a maroon coat with a white hoodie underneath, light-colored blue jeans, black tennis shoes, and a black backpack. He was riding a black bicycle, the animal hospital said.

The animal hospital posted a surveillance image of a man believed to be the assailant on its Facebook page.

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The woman was not seriously hurt, the animal hospital said.