I'm a huge Spurs fan this was shocking one of the scariest things I've ever seen, here's video from when it happened on Deadspin,
deadspin.com...
Tottenham's FA Cup game against Bolton Wanderers has been abandoned after Trotters midfielder Fabrice Muamba collapsed and stopped breathing.(Source)
Medics spent 10 minutes trying to resuscitate the 23-year-old on the field before the players were taken off by referee Howard Webb.
BBC Radio 5 live senior football reporter Ian Dennis says the English midfielder is fighting for his life.
The score was 1-1 when he collapsed with no players close-by on 41 minutes.
Medical staff gave Muamba mouth-to-mouth resuscitation and tried to revive him with a defibrillator. In total six medics were treating the player.

Fabrice Muamba's heart condition is "showing small signs of improvement" following his cardiac arrest. A Bolton statement said: "His heart is now beating without the help of medication and he is also moving his arms and legs. "However, his long-term prognosis will remain unclear for some time. Use accessible player and disable flyout menus James Pearce reports from the London Chest Hospital about Fabrice Muamba's condition "He is still critically ill and will continue to be closely monitored and treated by staff in the London Chest Hospital's intensive care unit."