A 38-year-old man was in critical condition Tuesday after being attacked with a hatchet in San Francisco’s Tenderloin, authorities said.

The incident occurred about 1:05 a.m. near the intersection of Golden Gate Avenue and Jones Street, less than half a mile away from UC Hastings School of Law, according to the San Francisco Police Department.

A man was walking home when a suspect yelled at him and reportedly attacked him with a hatchet.

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The suspect, who was also not identified, fled in an unknown direction. No arrests were made and no suspect information is available.

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Police did not identify the victim, who was transported to the hospital with life-threatening injuries.