Fabrice Muamba, the 23-year-old Bolton midfielder, collapsed on the pitch following a suspected heart attack in the first half of the FA Cup tie between Hotspur and Bolton on Saturday night.

Around 36,000 spectators in the stadium and millions of people around the world, who were watching the match on TV, witnessed in horror as he collapsed on the ground and players and medics rushed to resuscitate him.

Muamba, a father of a young son and recently engaged to his girlfriend Shauna, was critically ill' and was in intensive care at the heart attack centre of the London Chest Hospital in Bethnal Green, east London, reported the Daily Mail.

Ever since the incident took place, social networking sites have been flooding with fellow footballers and fans praying and wishing good health and recovery for Muamba.  

Some of the Tweets by footballers read:

Arsenal and England midfielder Jack Wilshere: Hope Muamba is okay. Thoughts with him.

Manchester United star Rio Ferdinand: Come on Fabrice Muamba, praying for you.

Muamba's Bolton teammate Stuart Holden: Praying for you Fab. Hope he's OK. Thoughts with him and his family.

Middlesbrough defender Justin Hoyte: I seriously hope my best friend in football is OK. Stay strong bro please please stay strong. God is with you remember that.

Tottenham midfielder Tom Huddlestone: Thoughts with Fab and his family. Feel sick watching this, puts football and everything else into perspective.

England striker Wayne Rooney: Hope fabrice muamba is ok. Praying for him and his family. Still in shock.

The Football Association: Our thoughts and prayers are with Fabrice Muamba and his family right now. A wonderful person.

Tottenham player Rafael van der Vaart: Terrible what happened with Muamba during the game. We're all praying for him.

Tottenham player Emmanuel Adebayor: My thoughts are with Fabrice Muamba's family. We all are praying for him and hope for a speedy recovery.

Some of the his fans tweeted:

Keep Fabrice Muamba in your prayers today, his fight is far from over and its going to be a tough day ahead #PrayforMuamba

Fabrice Muamba is still in intensive care and he's in a very crucial 24 hours right now. Hopefully he will pull through.

The thoughts of all of us are with Fabrice Muamba and his family. Get well really soon Muamba!