Tom sent this New Paper link, with dramatic pictures of Sunday night's riot in Little India:
Meanwhile, xin.msn has a story about the heroes who rose to the occasion:
I decided to Google for "Why people riot" and found many links. Bloomberg's and Huffington Post's are worth checking out...
There's one from a pyschoanalyst...
...and even one from "How Stuff Works"!...
Finally, if you want to hear from the experts on the subject, there's a workshop in Greece next year: