THIS is the terrifying moment gangs armed with huge machetes and bottles clashed after a pro-cannabis rally in Hyde Park.
Snapchat footage shows a knife-wielding man chase a group after thousands descended on the park for the annual 420 event.
A group seem to be trying to flee the man – who was wearing grey clothes – and others were seen throwing objects including glass bottles.
One person could be heard shouting: “You lot are throwing bottles, bro. You lot are wet.”
Cops were called to the park art 4.40pm on Saturday after a man was stabbed during a fight.
The man, who is in his 20s, was rushed to hospital in a non-life threatening condition.
However, it is unclear whether the stabbing is linked to the video which emerged today.
Police are investigating if the stabbing was connected to the rally.
The 420 rally, popularised in the US, is marked on April 20 and sees pot smokers celebrate the drug.
Around 30,000 people were expected to join the gathering in the capital for the event with those taking part wanting to see the laws banning the drug’s use and possession changed.
Extinction Rebellion activists joined the pot party after being moved on from Oxford Circus by cops.
A spokeswoman for the Met said: “Police were called at around 4.40pm on Saturday, 20 April, to a fight in the western part of Hyde Park, W1.
“Officers attended along with LAS and found a man suffering a suspected stab injury.
“The man, believed to be aged in his 20s, has been taken to hospital.
“His condition is being treated as potentially life-threatening at this stage. We await a further assessment.
“Detectives from the Central West Command Unit are investigating.”
No arrests have been made so far.
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