Substitute Marlon Harewood struck two minutes from time to hand West Ham United a 1-0 win over Arsenal at Upton Park on Sunday.
The burly forward converted Matthew Etherington's cross to secure a second successive league win for West Ham, who moved out of the bottom three and up to 15th.
Harewood's goal prompted an unsightly shoving match on the touchline between managers Alan Pardew and Arsene Wenger with the pair needing to be separated. Harewood was involved in an altercation with Arsenal midfielder Cesc Fabregas after the final whistle.
Harewood scored 12 minutes after spurning the best chance of the game, his shot, after bursting clear, smothered by Jens Lehmann.
Arsenal, who remain fifth, created few clear-cut openings but had strong penalty claims turned down when Jonathan Spector appeared to foul Alexander Hleb.
Arsenal's Dutch forward Robin van Persie needed brief attention after he was felled by a coin thrown from the crowd. It struck the back of his head as he waited to take a throw-in late in the first half.
It was the second such unsavoury incident in the top flight this weekend.
On Saturday, Fulham's Claus Jensen was hit on the head by a coin during their 1-0 victory over Everton, leading manager Chris Coleman to call for a prison sentence for the perpetrator.
Champions Chelsea can move back level with leaders Manchester United on 28 points if they win the London derby against Tottenham Hotspur later on Sunday.
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