Watch the moment Sevilla's Lucas Ocampos has his backside poked by a Rayo fan while taking a throw-in - as Argentina star demands LaLiga take the incident 'as seriously as racism'

Sevilla have condemned 'the obscene gesture' of a Rayo Vallecano fan, who appeared to interfere with Lucas Ocampos by poking his backside during their LaLiga match on Monday night.