Officers left for the scene at 11:50 a.m., according to reports. of man armed with machete suffering from a mental health crisis on Skelton Road in Forest gate.
One of officers were cut in hand when he collided with a man.
He was taken to the hospital, but his condition is not life threatening.
Photos and videos posted on social media show large presence of armed police in in the area while the road remains partitioned off with cordon.
representative for The Metropolitan Police confirmed that the incident remains continuous.
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