A man has been arrested following an incident in Ilford town centre.
Police were called to reports of an assault on a man in High Road, Ilford, at 3.30pm.
The victim was not taken to hospital but police tweeted that the suspect was reportedly carrying a knife and that when officers attended he climbed onto rooftops in the High Road and then in Audrey Road.
The tweet continued: "Officers spoke with the man who came down of his own accord at around 17.10hrs. The 22-year-old man was arrested for possession of an offensive weapon and assault. He has been taken to hospital as a precaution."
The London Fire Brigade were on the scene and a police helicopters could be seen circing above the town centre.
Eyewitnesses reported seeing a man jump between the roofs of buildings.
Cranbrook Road at the junction with Ilford Hill was closed for a short time.
TfL said: "Routes 25, 425 and W19 are terminating at Ilford Flyover.
"There is no service from Ilford Flyover to Ilford Town Centre.
"Route 147 is starting and terminating at Little Ilford Lane. Route EL1 is starting and terminating at Ilford Lane near the Winston Way junction."
Traffic remains slow southbound in Cranbrook Road and traffic is also slow on both exits of the A406 for Ilford and eastbound on Romford Road heading towards Ilford.
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