San Francisco police continue to be on the lookout for an angry driver, days after he attacked a man on Polk Street.

The San Francisco Police Department termed the incident an "Assault with a Deadly Weapon" Thursday morning, saying that it went down at 9:30 Monday night.

According to the SFPD, a man in his 20s was driving near the intersection of Polk and Bush Streets, when he became "involved in a road rage argument" with a 57-year-old man.

The argument ended when they younger man threw a glass bottle at the older man, police say, striking him.

The bottle-tosser fled, police say. The victim was left with non-life-threatening injuries, police say. His attacker remains at large as of Thursday, according to the SFPD, and no arrests have been made in the case.

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