Leicester v West Brom, Norwich v Chelsea, Premier League clockwatch, live: Leicester held by West Brom, controversial Costa goal gives Chelsea winSunderland 2 Crystal Palace 2: Substitute Fabio Borini comes to Sam Allardyce's rescue with late equaliserNorwich City 1 Chelsea 2: No luck for struggling Canaries as Chelsea continue runBournemouth 2 Southampton 0: Cherries edge closer to safety with first league win over Saints in 58 yearsLeicester City 2 West Bromwich Albion 2: Claudio Ranieri's side drop points but extend lead at top of table