A candlelight vigil held for Mark Duggan, who was killed by police on Thursday, erupted into riots in Tottenham, London last night after riot cops on the scene allegedly beat a 16-year-old girl who had thrown a stone at them.

The premiere of rave documentary Electric Daisy Carnival Experience at the famous Grauman's Chinese Theater has reportedly been cancelled after a larger-than-expected crowd showed up to see DJ Kaskade and ended up shutting down part of Hollywood Blvd.

"Hey, uh, Vancouver? Sorry for the violent riots." That's what a handful of regretful Canadians are saying on blogs, Facebook pages and media reports after they were linked to last week's downtown Vancouver hockey riot.

CBC tracked down the couple in the now-famous photo of two people apparently making out in the middle of Wednesday night's hockey riots in Vancouver. They were not, as it turns out, making out. But neither was the photo staged for the camera!

This photo, of two unidentified people (apparently) making out on the street surrounded by riot cops, is just about the only good thing to emerge from Vancouver's intense hockey riots, which erupted last night following the Canucks' Stanley Cup loss.

There's little anonymity left in rioting these days. Thanks to cameraphones and tagging, police will be able to identify some of the Vancouver hooligans who set fires, smashed storefronts and overturned cars in Stanley Cup related rioting.

The Vancouver Canucks (hint: hockey) lost the Stanley Cup Finals on Wednesday night, falling to the Boston Bruins 4-0 in the seventh game. This is a big deal in Canada, where hockey is basically their version of American Idol. And so they've decided to riot.

It's safe to say that anyone who commutes to work gets a little annoyed with train delays. Fair enough. But there are ways to handle that frustration, and ways to not handle that frustration. In the video above from Argentina, we see the latter.

A situation is developing in Liverpool, England that could, if it unravels, have repercussions the world over. Pop gremlin Justin Bieber and his hardened posse are currently stuck in their hotel room because a huge throng of fans has gathered outside, waiting for a peek of their beloved moptop. The police are trying…

On Tuesday, tens of thousands of Egyptians took to the streets in Cairo and Suez, protesting the administration of President Hosni Mubarak late into the night. The protestors were gassed and beaten.

As chaos reigns in neighboring Tunisia, Libya's "Brother Leader" Muammar Qaddafi went on television to say he is "very pained" to see another strongman fall. He's probably also upset over reports of riots breaking out in Libya.

An open prison in Britain went up in flames this morning when inmates rioted over attempts to make them submit to breathalyzer tests. One officer described the lead-up to the riot as "a scene out of Benny Hill."

Passengers at Moscow's Sheremetyevo Airport have been stranded for days thanks to an ice storm. So they did what any reasonable person trapped in an airport for days would do: They "attacked several employees." [RIA Novosti]

[After Italian Premier Silvio Berlusconi won a vote of confidence in the Italian parliament, protestors—and police, like the gun-holding gentleman in this picture—took to the streets. Photo via AP.]

50,000 British students took to London's streets today to protest the Conservative/Lib-Dem coalition's sharp university tuition hikes, and all had a jolly good time. Some even started smashing, vandalizing, and occupying the Tories' headquarters. It was pretty fierce!

The San Francisco baseball Giants just won the World Series! So, of course, San Francisco has decided to riot. And because San Francisco is the urban epicenter of social media technology, San Franciscans are checking in to riots on FourSquare.

France is still totally going off over the government's plan to up the retirement age from 60 to 62. Here, high schoolers in Lyon flip a car, which looks way more fun than going to class. [Image via AP]

[This uniquely attired student was one of the estimated 1 million people who took to the streets across France today to protest the government's plan to raise the retirement age from 60 to 62. A racy protest sign inside.]

The first gay pride parade in Belgrade, Serbia since 2001 was the site of violent clashes between police and anti-gay protestors, who set fire to a building and reportedly chanted "death to homosexuals" and "the hunt has begun."