Barcelona has been fined by UEFA for fans running on the pitch to celebrate victory over Paris Saint-Germain, and three other clubs for incidents at recent Champions League and Europa League games. UEFA said its disciplinary panel imposed a 19,000 euros ($20,500) fine for Barcelona after a 6-1 win at Camp Nou, which includes a mandatory sanction when at least five players are shown yellow or red cards. Saint-Etienne must pay 50,000 euros ($54,000) for fans' improper conduct and lighting fireworks at Old Trafford during a 3-0 loss to Manchester United last month. Napoli is fined 38,000 euros ($41,000) for a range of offenses at a 3-1 home loss against Real Madrid. UEFA said Rostov must pay 16,000 euros ($17,300) for fans lighting fireworks at Sparta Prague's stadium last month.