Relegation-battlers West Ham moved clear of the bottom three as Burnley were beaten 5-3 in the Premier League at Upton Park on Saturday.
Gianfranco Zola's men recorded only their third Premier League win of a difficult campaign after three goals in the first half put them in command.
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Jack Collison capitalised on some static defending to race on to Scott Parker's free-kick and fire the Irons ahead on 18 minutes.
Junior Stanislas slotted home a second, before Carlton Cole converted a penalty as Burnley were made to pay for poor defending after what had been a bright start by the visitors when Clarke Carlisle's header was cleared off the line.
It was damage limitation for the Clarets - who have just one point from seven away matches on their return to the top flight - after the hard-working Guillermo Franco headed in a fourth on 51 minutes.
However, there was still time for substitute Luis Jimenez to net another penalty after he was brought down by keeper Brian Jensen to give the Irons a morale boost ahead of next week's visit of champions Manchester United.
Steven Fletcher's late double gave Burnley some consolation, before Steven Caldwell was sent off during stoppage time and Chris Eagles then netted a third.
The visitors had actually started well and West Ham looked nervy at the back as England keeper Robert Green spilled a near-post strike from Andre Bikey and Eagles, the former Manchester United trainee, whipped over a cross from the right which flew through the six-yard box.
The Clarets - who have won five times at Turf Moor, including victory over United - almost took the lead on nine minutes when Clarke Carlisle's downward header from a corner was cleared off the line by Parker.
