Chelsea boss Frank Lampard laid into his players' mentality after their winning run was ended by a last-gasp defeat at West Ham.
Andriy Yarmolenko's 89th-minute decided earned a 3-2 victory for the relegation-threatened Hammers, ending Chelsea's run of three straight wins since football's restart.
Willian had given Lampard's side the lead from the penalty spot just before half-time, but the London rivals went into the break level after Tomas Soucek cancelled out the opener.
Michail Antonio gave West Ham the lead six minutes after the restart, but there hope for Chelsea when Willian equalised with just under 20 minutes remaining.
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