According to Moroccan website Hesport, citing reports from Cadena Cope and other outlets, the warnings followed persistent racist chanting from the stands.
The chants targeted Moroccan international Omar El Hilali, Espanyol’s defender, who was the main recipient of these insults, sparking widespread outrage.
Tensions flared on the pitch when El Hilali tangled with Barcelona’s Gavi, earning both players a yellow card, and the abusive chants resumed in the 57th minute.
Read also: Bayern’s terrifying messages… Is Real Madrid taking note?
Read also: The fifth of the greats... Video: Salah sets a new legendary record
The abuse was not confined to racist slurs; some fans also taunted Espanyol’s relegation fears by chanting, “To the second division!”
Barcelona moved nine points clear of Real Madrid, tightening their grip on the title, while Espanyol stay on 38 points in tenth.