IndyCar racing witnessed one of the most tragic events in the sport's history when a crash involving 15 drivers resulted in the death of British driver Dan Wheldon at the Las Vegas Indy 300.

The accident happened on turn two, in the oval-shaped track, when a lot of cars, traveling at over 200 mph, came into contact at the turn, many of them flung into the air before smashing into the outside wall and the fence.

Amidst the debris and the metal pieces around, the race was cancelled. But it made no difference, as Dan Wheldon became the first person to come to a tragic end at the circuit in the sport's 40-year history.

The IndyCar drivers saluted Wheldon in their own unique way, taking part in a five-lap salute while his number 77 was the only number on the scoreboard. The organizers played the song Danny Boy, followed by Amazing Grace and crew members and mechanics stood around the track to pay their respects to the 33-year-old.

Reactions poured in from all quarters, mourning the loss.

2008 Formula 1 World Champion, and McLaren driver Lewis Hamilton said: This is a tragic loss at such a young age.

He was an extremely talented driver. As a British guy, who not only went over to the States but who twice won the Indy 500, he was an inspirational guy and someone that every racing driver looked up to with respect and admiration.

My heart goes out to his family and friends during this extremely difficult time.

Mc-Laren teammate Jenson Button wrote on Twitter: Just woken up to the most horrific news. Dan Wheldon RIP.

I have so many good memories of racing with Dan in the early 90s, a true fighter. We've lost a legend in our sport but also a great guy.

Red Bull driver Mark Webber also tweeted, saying: Rest in Peace Dan. I remember our early days in the UK 95/96... Miss ya...

IndyCar chief executive Randy Bernard said: Our thoughts and prayers are with his family.

Scotland's Dario Franchitti, fellow IndyCar driver and friend, was distraught and in tears before the five-lap salute.

The 38-year-old said: Right now I'm numb and speechless. One minute you're joking around in driver intros and the next he's gone. He was six years old when I first met him. He was this little kid and the next thing you know he was my team-mate.

We put so much pressure on ourselves to win races and championships and today it doesn't matter.

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