West Ham United on Saturday afternoon defeated Chelsea Football Club of London 3-2 in a fierce English Premier League tie.
The game, which saw Chelsea take the lead in the 29th minute through Brazilian defender, Thiago Silva, witnessed several tensed moments throughout the game especially as both teams made efforts to outplay the other.
Manuel Lanzini equalised for the Hammers in the 40th minute but Mason Mount fired another goal for Chelsea to put the visitors ahead during the break.
However, goals from Jarrod Bowen and Arthur Masuaku in the second half for West Ham ensured that David Moyes' side went away with maximum points on the afternoon.
The defeat is a major setback for Chelsea, who hopes to consolidate their hold at the top of the table in the face of hot pursuit by Liverpool and reigning league champions, Manchester City.