Police are appealing for witnesses and information after a boy was assaulted on board a bus in Eastbourne.
The incident happened on board the number 1 service in Cornfield Road, Eastbourne, at about 7.40pm on Saturday 5 April.
A teenage boy was approached by other teenage boys and was assaulted, near to the Co-op store.
He sustained an injury consistent with a stabbing, and attended hospital.
The injury was not life-threatening and he has since been discharged.
A 13-year-old boy was arrested on suspicion of attempted robbery and on suspicion of causing grievous bodily harm.
He has been bailed, pending further enquiries.
Police are conducting increased patrols in the town centre to provide reassurance. Officers are aware of social media comments about this incident, and ask the public not to speculate about it online as this may jeopardise the ongoing investigation.
Witnesses or anyone with further information should report it to Sussex Police online, quoting serial 1234 of 05/04.
Car overturned on A295 in Hailsham
Sussex Police officer dismissed for inappropriate behaviour towards female colleagues
Man charged with Grand Hotel burglary spree
Sussex charity spend the day at the farm
South East Water launches dedicated emergency support for livestock owners during a supply outages
Wealden high streets join The Big One Hundred celebrations with creative window displays
Sussex Weald MP meets farmers to discuss rural issues
Eastbourne tennis tournament attracts nearly 50,000 fans