Bolton midfielder Fabrice Muamba is "critically ill" in intensive care at the heart attack centre of the London Chest Hospital, the club have confirmed.
Muamba collapsed in the 41st minute of Bolton's FA Cup quarter-final against Tottenham, with the match abandoned after the player received treatment on the pitch from paramedics.
He was rushed to hospital and the club have now released a statement which reads: "Bolton Wanderers can confirm that Fabrice Muamba has been admitted to the heart attack centre at London Chest hospital where he is currently in a critically ill condition in intensive care."
It added: "No further information will be issued at this stage. The club has requested the media to respect his family's privacy at this time."