Luis Suarez scored a hat-trick as Barcelona thrashed Real Madrid 5-1 in El Clasico to heap more misery on Julen Lopetegui.
Philippe Coutinho gave the hosts an early lead at the Nou Camp when he met Jordi Alba’s cross (11), and Suarez doubled Barca’s advantage from the penalty spot after being fouled by Raphael Varane (30).
Marcelo gave Real hope five minutes into the second period, but Suarez then met Sergi Roberto’s cross to head in his second (75).
The Uruguayan completed his 12th treble since joining Barcelona with a fine finish over Thibaut Courtois (83) and substitute Arturo Vidal completed the rout from close range (87).
The result leaves Real Madrid languishing in ninth place in the table after a third straight league defeat, while Barcelona return to the summit following their biggest El Clasico win since 2010.
The fall-out will be considerable in the coming days for Madrid after slumping to their worst start in La Liga in 19 years. This was a collapse that may well signal the end for Lopetegui, whose side were behind as early as the 11th minute.