The Carling Cup second round clash between Nottingham Forest and Leicester at the City Ground was abandoned tonight after Foxes defender Clive Clarke collapsed in the dressing room.
Paramedics rushed down the tunnel to attend to Clarke, capped twice by the Republic of Ireland, shortly after the half-time whistle.
A Leicester spokesman confirmed the player was receiving medical attention in an ambulance and was conscious.
The restart was initially delayed for 15 minutes before a further 10-minute delay was announced over the tannoy.
Forest boss Colin Calderwood and Leicester manager Martin Allen then emerged from the tunnel to make an announcement to the crowd.
Calderwood said: "We are afraid that due to the serious illness of a Leicester player both clubs have agreed to postpone the match."
Clarke, from Dublin, is on loan at Leicester from Sunderland.
Forest had held a 1-0 lead over their east midlands counterparts courtesy of Junior Agogo's 31st-minute strike.
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