Burnley had issued bans on Everton fans bringing banners and protest cards into Turf Moor for this game.
The warning has not been successful, Toffees fans held aloft hundreds of anti-Premier League cards before the game in their corner of the stadium.
Luton Town boss Rob Edwards is in tears as he walks around the pitch.
He says "thank you" to the fans, taps his chest and encourages them to keep singing for Tom Lockyer before heading down the tunnel.
Players from both teams have come out to thank supporters at Vitality Stadium, who will have been equally shaken by the events.
The Luton Town players are being applauded by the home fans, who are all on their feet. It's a nice touch.
Managers Andoni Iraola and Rob Edwards also shake hands and...
Tom Lockyer had heart surgery in June to address a problem that saw him collapse during Luton's play-off final win at Wembley.
The 28-year-old had an atrial fibrillation, a condition the NHS describes as causing "an irregular and often abnormally fast heart rate".
Tom Lockyer is being taken off on a stretcher by paramedics and club medical staff down the tunnel.
All supporters in the ground rise to their feet to applaud him off.
As it stands, play has been suspended.
Worrying reports from Dean Court as Tom Lockyer goes down. He’s motionless. Rob Edwards races onto the pitch as play is stopped. He takes his players off. Paramedics are currently treating the Luton captain. No speculation, though minds will inevitably go back to his collapse in the play-off...