A total of five Roma were detained and eight more - hospitalized after being involved in a mass fight in Bulgaria's town of Dimitrovgrad on Wednesday.
The row flared up after a 20-year-old man refused to give a belt back to another Roma citizen.
As the brawl grew into a fight, about two dozens of relatives intervened to defend each of the youngsters.
Police came to find the windows of three houses broken and eight people hurt, as one of them suffered serious head injuries.
The five main participants in the fight have been detained for 24 hours in the local police station.