Police officer
Detectives are hunting the attacker.
The panel accepted it was a genuine case of mistaken identity.
"Someone in the marketing team really didn't think this through."
Organisers say focus on criminality is "stifling" the world-famous street festival.
A 14-year-old girl was hit in the face by a police officer in Accrington, Lancashire after an incident where two officers have been hospitalised.
But watchdog ruled he failed to do his job properly.
At least four people have been killed — including two police officers — following a shooting in Fredericton. Police say they have one suspect in custody.
The incident occurred last September.
Six people have been arrested.
21 police officers were injured.