A video shared on social media which appears to show officers forcefully restraining a man is being investigated by police in Brent .
Footage posted on Twitter on Saturday (April 22) appears to show three officers pinning a male to the ground.
The male can be heard saying: "What have I done? What have I done? I'm walking, what have I done?"
One officer appears to use his hand to place the male's head on the ground, before appearing to use a stick to strike his ankle.
The person recording the footage can be heard in the background saying: "That's my uncle. Stop doing that to my uncle."
They then appear to be pushed away from the scene.
Brent Metropolitan Police Service confirmed it is investigating footage which has appeared online.
On Twitter, it said: "We're aware of a video of MPSBrent officers circulating on social media.
"Our professional standards unit are aware & looking into the matter."`
After getwestlondon put the footage to Metropolitan Police, a spokesman said: "Metropolitan Police Service (MPS) are aware of footage circulating on social media of an incident involving uniformed officers in Brent.
"Police were called at 5.07pm on March 14 to reports of an altercation between a number of males in London Road, Wembley.
"Officers attended and a 17-year-old boy and a 19-year-old man were arrested on suspicion of affray.
"Both have since been informed that they will have no further action taken against them.
"A 16-year-old boy was arrested on suspicion of obstructing police and has since been charged with the offence.
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