A few days old, but since this hasn't been posted on the forums so here it goes:
Apparently, a man has been stabbed in a queue for GTA IV.
QUOTE FROM CANADA.COM
Article: Canada.com.
Other articles for the same story: DailyMail.co.uk, Play, Kotaku.
And here's an article by GamesRadar saying the stabbing had nothing to do with GTA.
-----
Just goes to show that people overreact and always blame GTA.