West Ham 3-1 Chelsea: Sam Allardyce lauds 'magnificent' win

West Ham boss Sam Allardyce cannot hide his delight following his side's 3-1 victory against Chelsea at Upton Park.

It is the first time West Ham have beaten their London rivals since 2003 and Allardyce says it is a "magnificent achievement".

Juan Mata gave Chelsea a first-half lead, then second-half goals from Carlton Cole, Mohamed Diame and Modibo Maiga sealed a memorable win for the home side.