Police said they arrested 40 people, most for public drunkenness, NBC News reported.
At least two people were shot and two others stabbed during the chaos in the streets.
The first shooting happened in the Mission District, and the victim was struck in the arm, KPIX-TV reported. The second shooting victim walked into an area hospital with a gunshot wound.
It was unclear if the stabbings were related to the celebrations.
Elsewhere, people were seen mounted on buses and cars:
- The Army Corps of Engineers and North Dakota police have ordered protesters to leave the Dakota Access Pipeline site by this afternoon or face arrest.
- Immigrants are worried two government memos are laying the groundwork for the deportation force Trump promised on the campaign trail.
- A US federal judge ruled that Texas can't cut Planned Parenthood out of its Medicaid program.
- Yalla! You can now download a new Arab emoji keyboard that includes a belly dancer, Oman Chips, and more 👏