West Ham will welcome Swansea to Upton Park later today as they seek to build on Wednesday's impressive draw against Chelsea.
Sam Allardyce's side could see themselves move out of the relegation zone if they clinch three points with a win.
Allardyce could also hand Italian signings Antonio Nocerino and Marco Borriello their first full debuts since joining the club.
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The venue says it is in contact with promoters about a final decision, following the terror attack at the singer's concert on Monday.
Soldiers will replace armed police at many sites after security experts warned the Government that another terrorist attack may be imminent.
The threat level has been raised to critical by MI5's Counter-Terrorism Analysis Centre.