Twitter index: motorcycle racer Marco Simoncelli killed at Malaysia MotoGP

One of Italy’s top motorcycle racers, Marco Simoncelli, was killed in an accident during the 2011 Malaysian Motorcycle Grand Prix, report Twitter users.

Marco Simoncelli’s death has shocked fellow riders and fans of the sport, who tweet, “Just heard about the accident and death of #Marco Simoncelli . Feel absolutely sick. What a terrible thing to happen. So sad for his family,” “I can't stop thinking of Marco Simoncelli. I am lost for words. Just very sad.” and “What a terrible week for motor sport. First Dan Wheldon in Indycar last Sunday, now Marco Simoncelli at the Malaysian MotoGP. RIP to both."

The most popular topics on Twitter on the morning of October 24 are “#iGetRealMadWhen,” “#TheresNoWayInHell” and “#UglyGirlsAreNotAllowed.”

Tweeps are sending birthday wishes to Canadian recording artist Drake on his 25th birthday, recounting the past with the topic “Once Upon a Time” and talking about the Disney movie “Zenon.”

“Justin is our everything,” tweet microbloggers who are enamoured with Canadian pop star Justin Bieber, adding that “my day isn't complete without staring his poster, listening to his music, thinking him, and mentioning his name.”

Indian politician “Amar Singh” and Argentinian President “Cristina Kirchner” are trending in eighth and tenth places.

The top 10 most talked about topics on Twitter on October 24 at 7:30 AM GMT are:

1. #iGetRealMadWhen (new)

2. #TheresNoWayInHell (new)

3. #UglyGirlsAreNotAllowed (new)

4. JUSTIN IS OUR EVERYTHING (new)

5. Happy Birthday Drake (new)

6. Marco Simoncelli (new)

7. Once Upon a Time (new)

8. Amar Singh (new)

9. Zenon (new)

10. Cristina Kirchner (new)