Amid the euphoria of a vital victory for West Ham in their fight against relegation, the mood was spoiled by Jake Livermore having to be led down the tunnel after the West Bromwich Albion midfielder became involved in a confrontation with a spectator during the second half at the London Stadium. A suggestion that something had been said to Livermore by a West Ham fan sitting behind the dugouts could not be verified on Tuesday night. John Carver, West Brom’s assistant…