Players of Paris Saint Germain and Istanbul Basaksehir leave the pitch after an argument between the Turkish players and the fourth referee during a Champions League game.

Video. PSG and Basaksehir teams walk off pitch after alleged racial slur

Basaksehir coach and players said fourth official Sebastian Coltescu of Romania had used a racial slur against Webo, who is from Cameroon, before he was sent off. Players from both teams walked off the pitch in protest.