Here's a growing list of local and national safety precautions and related interruptions taken in the aftermath of this afternoon's Boston Marathon bombing:

After one blast went off at the finish line of the Boston Marathon this afternoon, people—reporters and spectators—grabbed their cameras only to witness a second blast in nearly the same location. One of the first videos from the finish line (above) shows many runners collapsing from the trauma of the blast. Below, victims are shown being wheeled away from the scene.

At least two homemade bombs detonated at the finish line of the Boston Marathon in Copley Square just before 3 p.m. today, setting off explosions that killed three people and injured more than 100, many of whom lost limbs. According to early reports, three other explosive devices were found nearby, one of which was set off by police in a controlled detonation (a simultaneous fire at the JFK Library is said to have been unrelated). There are no suspects in custody, but police are searching for a person of interest who tried to gain access to a restricted area just before the bombs went off.

Two explosions rocked the finish line of the Boston Marathon today. Here are some of the latest photos from the scene. Warning: Some of these images, particularly the one at the bottom of this post, are graphic. [all photos via AP and Getty.]

Two explosions tore through downtown Boston today, killing at least three of the thousands of people who'd gathered to watch that city's famous marathon race. The explosions went off near the race's finish line, causing mass panic and ripping off people's limbs, according to early eyewitness accounts. Explosives units have been dispatched to investigate another suspicious device in the area as EMTs and doctors attend to the reportedly dozens of wounded.

Everyone knows there's literally nothing to do in Boston except get drunk (two of Time Magazine's Top 10 Things to Do in Boston involve looking at bodies of water). So maybe that's why cops are being so lenient to those who decide to get obliterated in the city.

Joe Sly is such a hardcore Boston punk. He's so punk, his email address is Bostonbeatgang@gmail.com. He's so punk that he proactively emails noise bands to see when and where they're coming to Boston to play some of those "DIY concerts." He's so punk his Google+ motto—this oxymoron just gets better—is "What's the point," his disaffection so deeply punk the statement doesn't even merit a question mark on his profile.

This afternoon, the FBI announced a major development in the greatest art heist in history: after two decades, they still haven't solved the case!

"Boston," a cramped Hollywood crime movie set populated primarily by the lesser Wahlbergs, is engaged in a gleeful back-and-forth exchange of japes with a national media outlet, calling to mind the beaming smile of a developmentally disabled child who has just been allowed to win a game of tag with a grown man.

How to get to Boston now that the government has ordered Fung Wah buses to shut down? Don't go to Boston. Boston sucks.

Frat bros do lots of things that upset us. They host "racist ragers." They butt-chug fine pinot grigio. They host barbecues on Locust Walk during finals when you're trying to study OH MY GOD TURN DOWN THE MUSIC.

The Northeast continues to dig out from Friday's massive blizzard, which now ranks among the top five largest ever to hit New England. 300,000 people are still without power while the death toll has risen to nine.

Good morning, survivors!

Today, in movie news, we learn that Johnny Depp will be playing the role of notorious Boston gangster Whitey Bulger in an upcoming film based on Bulger's life. This should not be confused with the other Whitey Bulger Boston gangster movie that Ben Affleck will be making after he makes a movie based on a Dennis Lehane novel that is also about Boston gangsters.

Dr. Richard Keller, a pediatric endocrinologist at Boston Children's Hospital, was arrested earlier today and charged with the receipt of child pornography. He also worked as a pediatrics instructor at Harvard Medical School and served as a medical director at Phillips Academy for 19 years until resigning last year.

New York City mayor Michael Bloomberg is no stranger to fast food meddling: this is the same guy who fought against obesity with a ban on large sugary drinks.

Boston Mayor Thomas Menino is no fan of Chick-fil-A, but there isn't anything he can do to stop the controversial fast-food chain from opening a branch in the city — and he knows it.

In a letter addressed to Chick-fil-A's president and COO Dan Cathy, Boston mayor Thomas Menino made it abundantly clear that Cathy's opposition to marriage equality has rendered his company persona non grata in the Hub.

Chicago alderman Joe Moreno has moved to block Chick-fil-A's from opening its second Windy City location in his ward.

Boston mayor Thomas Menino issued a candid statement last week expressing his distaste for the possibility that the controversial fast-food chain Chick-fil-A might open up a branch in Beantown.