By CBSLA Staff

SAN DIEGO (CBSLA) — Authorities on Sunday were asking for witnesses to an unprovoked attack late last month involving an 81-year-old man from Laos.

The incident unfolded December 17th near Porter North Elementary School in San Diego.

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It was there that the Mark Sanouvong was assaulted by a man in his 40s while on his morning walk.

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According to police, the attack spilled into the middle of the street causing traffic to come to a stop.

The suspect was described as a Caucasian man wearing a light-colored jacket, blue jeans, and carrying a large bag. He was about six-feet tall with an average build and had brown hair.

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Anyone with information was asked to contact the San Diego Police Department, which also said witnesses may call Crime Stoppers to remain anonymous.