#BlackLivesMatter protesters gathered in Ferguson, Missouri this weekend to commemorate the shooting death of robber Mike Brown.
Seventeen year-old Trevion Hopson was arrested for shooting a fellow protester last night in Ferguson.

Trevion went to the protests last night.
Then he shot a fellow protester.
Ferguson police assisted the victim.
Multiple Shots fired shooting in Ferguson on West Florissant and Ferguson ave on the family dollar lot @deray pic.twitter.com/jPfpewQJGu
— Derk Brown (@DreadHead_46) August 9, 2015
Trevion was arested for unlawful use of a weapon and resisting arrest.
Trevion Hopson, 17, charged w/unlawful use of weapon, resisting arrest re: Ferguson shooting. http://t.co/hxEj8G89yH pic.twitter.com/lJU5YUDRtZ
— St. Louis County PD (@stlcountypd) August 9, 2015