James Justin scored his second double of the season to help Leicester progress to the fourth round of the FA Cup with a crushing 6-2 win over QPR.
Ruud van Nistelrooy's side produced a professional display after the break to give the Dutchman his second win as boss, which could also add some momentum to the Foxes' bid for Premier League survival.
Justin put Leicester ahead in foggy conditions at the King Power Stadium before QPR equalized through Jonathan Varane's fireworks, but the hosts put breathing space between themselves and their Championship visitors with goals from Stephy Mavididi and Facundo Buonanotte.
On the stroke of half-time, Harry Winks gifted Rayan Kolli a goal to reduce the deficit to 3-2, but that did not deflate Leicester as they showed their top quality in the second 45.
Justin's second, Jamie Vardy's penalty on his 38th birthday and Wout Faes' beauty (a 30-yard strike into the top corner after a dizzying run forward) made it a run of five consecutive defeats.
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