A dog has been seized by police under the Dangerous Dogs Act on the Dickens Estate in Bermondsey.
Police executed a search warrant under the Dangerous Dogs Act at an address on the Dickens Estate early on Friday morning.
A suspected pit bull type dog was seized and was taken to secure kennels for a dog legislation officer to identify whether it is a prohibited type of dog.
The warrant was executed after police received reports of a dog attacking another dog in Copperfield House on Monday 29 June.
It was reported that a man was out walking his dog when a pitbull-like dog attacked his dog and bit it six times which resulted in her needing treatment from a vet.
The offending dog, described as a pit bull, held on to the dog and the owners had to use force against the dog for it to release its bite.
Once the dogs were separated the owners of the pitbull left the scene.
The police investigation continues and no arrests have been made.