Queen's Park 2-4 Airdrie United

Airdrie United hit two extra-time goals at Hampden to set up a Scottish Cup fourth round tie with Kilmarnock.

The visitors surged into an early lead thanks to a drilled strike from Kevin McDonald and Stuart Noble's excellent solo run and shot.

Steve Canning had a penalty saved by Stephen Robertson but Alan Trouten lashed in a 75th minute effort.

Mark Ferry netted in stoppage time but Allan Russell's deflected free kick and an Alan Watt's toe poke settled it.

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Queen's Park: Murray, Paton, Agostini, Quinn (Ferry 83), Boslen, Kettlewell, Cairney, Trouten, McGrady (Molloy 87), Dunn, Canning (Ronald 83). Subs Not Used: Ure, Cowie.

Booked: Dunn, Paton, Ferry.

Goals: Trouten 75, Ferry 90.

Airdrie Utd: Robertson, Donnelly, Smyth, McKeown, McKenna, McDougall (Watt 91), Holmes (Smith 45), McDonald, Waddle, Russell, Noble (Prunty 71). Subs Not Used: Lovering, Hollis.

Booked: McKenna, Smyth, McDonald, Waddle, Smith.

Goals: McDonald 15, Noble 17, Russell 97, Watt 109.

Att: 579

Ref: C Boyle