Chelsea filed complaint with English FA over Chelsea 's ` ` inappropriate language '' . Chelsea 's complaint means the FA will now have questions to answer after an allegation against one of its top referees . Clattenburg reportedly used racial language towards John and Chelsea . FA launch investigation after reading match report from Chelsea on Monday . Clattenburg used opportunity to establish facts in case with few precedents .
Chelsea filed complaint with English FA over Chelsea 's ` ` inappropriate language '' . Clattenburg reportedly used racial language towards John and Chelsea . FA launch investigation after reading match report from Chelsea on Monday . Clattenburg used opportunity to establish facts in case with few precedents .