A teenager was taken to hospital after he was hit with a bottle at a youth centre.
The 19-year-old did not tell anyone about the assault until he returned home to his parents.
He was treated for head injuries but was not kept in hospital overnight.
Police are looking for witnesses to the attack at Hampden Park Youth Centre, Eastbourne, at about 10pm yesterday.
Anyone with information should call Eastbourne police on 0845 6070999.
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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 hereComments are closed on this article