Update 9:06pm - The Boston Globe reports that there have been three confirmed deaths, and over 125 people have been injured.

Two people were killed and dozens more injured when a pair of explosions rocked the finish line at the Boston Marathon on Monday, Boston Police said. A third explosion was reported about 5 miles away at the JFK Library, police said.

Area hospitals were reporting 40-50 victims following the blasts at Copley Square. The explosions were reported at about 2:45 p.m., about two hours after the first runner crossed the finish line. The explosion at the John F Kennedy Presidential Library was reported at about 4:30 p.m.

Facebook

In a statement on its Facebook page, marathon officials said, "There were two bombs that exploded near the finish line in today's Boston Marathon. We are working with law enforcement to understand what exactly has happened."

The Massachusetts National Guard said it has more than 46 guard members on scene to assist.

Police urged those in the city to stay home. Family members of those who may be missing following the explosion were urged to call the mayor's hot line by dialing 617-635-4500. Google also has a Person Finder database that those searching for loved ones can use.

We're following this story and will keep you updated as more info comes in.

First responders at #BostonMarathon  on Twitpic

look at this #BostonMarathon aftermath… wow Sad stuff on Twitpic

#BostonMarathon  on Twitpic

Share photos on twitter with Twitpic