A girl of 11 was attacked by youths after they demanded she hand over cash.
She was riding her bicycle in Priory Road, Eastbourne, when the trio started threatening her.
One threw a bottle, causing a small mark on her back, before she fled home to Gainsborough Crescent, Eastbourne.
The three, described as aged 11 to 13, all wore dark clothes and white trainers.
Any witnesses to Saturday's attack at 8.10pm 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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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