Three men were arrested during a drugs raid.
A search warrant was executed at an address in High Road, Leytonstone, on Wednesday as part of Operation Goob, which aims to disrupting the distribution of drugs in the borough.
Three men aged 51, 43 and 37 were arrested inside the house on suspicion of possession with intent to supply cocaine and cannabis.
Police said half a kilo of cocaine was found on the premises, along with a large amount of cannabis.
Sergeant Chris Bohills said: "This was another successful operation by the Gangs Task Force in the fight against drugs.
"Drug dealing is never a victimless crime and the impact of anti-social behaviour and violence associated with it affects the community as a whole.
"For this operation we were supported by a large number of officers from various teams and would like to thank them all for their assistance and professionalism.
"It is an example of how Waltham Forest Police will use every available resource and tactic in order to make the borough a safer and more pleasant place to be.
"We will continue our hard work, and maintain a zero-tolerance approach going forward. I would like to thank the local community for their support."
The men have been bailed to return to an east London police station on October 7.
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