QPR manager Mark Hughes expressed relief following last nights 1-0 win at home to MK Dons in their third round re-play.
Danny Gabbidons second half header separating the sides but the visitors did enjoy a spell of pressure in the second half in which they created a few score able chances.
It was only Hughes second game in charge and he says deserved their win.
Sean St Ledger started as Leicester hammered their East Midlands neighbours Nottingham Forest who had Greg Cunningham and Andy Reid amongst their ranks.
Former Leeds and Everton striker Jermaine Beckford scored a hat trick in a 4-0 win at the Walkers stadium.
Kevin Davies and Martin Petrov scored as Bolton beat Macclesfield 2-0 while Millwall enjoyed a 5-0 win over Dagenham and Redbridge.
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