The men in these CCTV images (see picture gallery) are wanted in connection with the assault of a 39-year-old man.
The attack happened in Warrington Road, Dagenham, on August 19.
Anyone who can identify these men should contact Crimestoppers on 0800 555 111 quoting the image reference number.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here