Celtic warn fans they may close a stadium section over rowdy behaviour

Celtic have put the Green Brigade on a final warning after UEFA opened an investigation into the “setting off of fireworks” at Tuesday night’s home Champions League second qualifier against Cliftonville.
The Parkhead club have an uneasy relationship with the ’Ultras’ group housed in section 111 of the stadium and now claim their behaviour is putting the club’s General Safety Certificate at risk.