UPDATE: 10:30 p.m. Police have pushed protesters back to Randolph and Larned streets.
Police are now lined up with shields and some have donned gas masks.
UPDATE 10 p.m.: Police and protesters have clashed near the RiverWalk in Detroit.
About 100 or more protesters were surrounded by police shortly before 10 p.m near the RiverWalk at Atwater and Bates streets. Police were blocking movement to streets other than Jefferson Avenue.
Then police in riot gear appeared.
Shortly after, protesters could be seen throwing items as police with shields moved forward, then altercations would erupt with protesters being tackled.
Video from an on-the-ground reporter also showed protesters carrying a wooden post and shouts of "watch out," before police were then seen going into the crowd amid screams.
The post carriers were tackled.
Police were seen in multiple altercations with protesters in the street, with several people on the ground in the area of Jefferson and Randolph. At least one officer could be seen punching someone on the ground.
Another striked a protester with a baton.