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A man is in a critical condition after a peaceful protest marking a year since a white police officer fatally shot unarmed black teenager Michael Brown turned violent.
A group of four-plain-clothed police officers were involved in the shooting on West Florissant Avenue, which hospitalised the man who has since been named by his father as Tyrone Harris, 18.
"We think there's a lot more to this than what's being said," Harris Sr. told the St Louis Post-Dispatch.
Darren Wilson killed the teenager on 9 August 2014. However, a grand jury and the US department of justice decided not to prosecute him. He later resigned in November.
Michael Brown Senior, the late 18-year-old’s father, led a rally in the city, thanked supporters for not allowing his son’s killing to be “swept under the carpet”, and observed four and a half minutes of silence.
By nightfall, the scene transformed as a crowd of dozens of protesters blocked traffic and smashed store windows along West Florissant Avenue, which bore the brunt of last summer's rioting, chanting "Shut it down."
Riot police arrived in heavily armed vehicles at the scene where Harris people was shot.
The teenager’s was one of many similar fatal police shootings of unarmed black men that have highlighted racial tensions in the US and sparked a nation-wide Black Lives Matter movement.
Additional reporting by AP and Reuters
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