Friday must have been a full moon or something, there were two hostage-at-knifepoint incidents in Kunming (apparently unrelated). You might remember there was an incident in Carrefour earlier this month where a chinese man attacked people in Carrefour before being led outside with a bowl of soup and then shot in the head by snipers...

you can read more about the Friday craziness at the links below...

pop.pcpop.com/[...]

www.timesonline.co.uk/tol/news/world/asia/article5371076.ece

I believe the first link is actually from 2005.

The common thread between the two links and the recent Carrefour incident appears to be men who were dumped and couldn't deal with it.