This just happened yesterday, a Swedish young man (21 yrs old) killed himself & broadcast his suicide video/pictures live on internet. He lets everyone knows before actually do it (check his posts link below).
Video:
LiveLeak.com - Suicide live on the internet (Warning Graphic)
Link of his posts (use browser translator if u don't understand it):
https://www.flashback.org/t1322408
RIP :(