Reports are in of two explosions near the Boston Marathon finish line in Copley Square that occurred at 2:50 p.m. ET on Monday, April 15. The Boston Police are reporting that dozens are injured and three are dead, reportedly including an 8-year-old boy. The Boston Globe is reporting more than 100 people are being treated post-explosions.

Update 8:59pm: Boston Police Commissoner Ed Davis confirms three people have died.

UPDATE: At a subsequent press conference at 6pm, authorities said that the JFK incident was not necessarily connected to the explosions, citing an “incendiary” device at JFK.

At a press conference around 4:50pm on Monday, Boston Police Commissioner Ed Davis has confirmed that there has been a third explosion at JFK Library, but it is uncertain as to whether or not the incidents are related.

The Boston Globe is reporting that two more devices have been found and dismantled near the finish line. NBC Nightly News is reporting that is was a “small homemade bomb” is the preliminary cause of the explosions.

According to a Boston Globe reporter, the head of emergency medicine at Massachusetts General Hospital told reporters 19 people have been brought to MGH. Six critically injured, and some may have amputations.

“We’re continuing to monitor and respond the the situation as it unfolds,” said President Barack Obama. “Boston is a tough and resilient town, so are its people. I am supremely confident that Bostonians will pull together, take are of each other and move forward…. and as they do the American people will be with them every step of the way.”

The Associated Press reports that “cell service is still operating in Boston after explosions,” and that President Obama will address the situation from the White House tonight. He was briefed on the explosions by FBI Director Robert Mueller and Homeland Security Secretary Janet Napolitano. He also spoke with Governor Deval Patrick and Mayor Tom Menino, and has promised to provide whatever federal support is needed.

The MBTA has temporarily suspended all B- and C-Line service on the Green Line. Additionally, Orange and Red Line service will bypass Downtown Crossing Station. The Federal Aviation Administration is also warning pilots that is has created a no-fly zone over the site of the two explosions.

Monday night’s Boston Bruins game versus Ottawa has been postponed.

Here is a video of the explosion. WARNING: Some images may be disturbing.

Here is a graphic from the New York Times, showing where the explosions likely occured.

Click here for a user-generated map of suspicious activity reported surrounding the Boston Marathon explosions.

“This is a horrific day in Boston,” Governor Deval Patrick said in a statement. “My thoughts and prayers are with those who have been injured. I have been in touch with the President, Mayor Menino and our public safety leaders. Our focus is on making sure that the area around Copley Square is safe and secured. I am asking everyone to stay away from Copley Square and let the first responders do their jobs.”

Update 4:03pm: The Boston Police ran a controlled explosion.

Updated: 3:47 pm: Newbury Street has been completely shut down, according to officers in the area.

Update: 3:38 pm: Police told our ground reporters they are expanding the evacuation area, saying it is not safe right now and there could be another “device.” The entire area between Newbury and Dartmouth Streets appear to be blocked.

Update: 3:33pm: The Boston Police, State Police, the FBI, and the Bureau of Alcohol, Tobacco, Firearms and Explosives is reportedly on the scene. Emergency vehicles line Back Bay.

Update 3:22 pm: According to BostInno reporters on the ground near Boylston and Arlington Streets, there appear to be multiple injuries, with people with lower leg lacerations, possibly shrapnel related. Some of the injuries look very serious. The crowds are reportedly moving away from the finish line, looking very distraught. An officer told a BostInno reporter on the scene near Boylston Street and Clarendon Street: “A bomb went off, and a lot of people got f*cked up.”

Runners still on the marathon course are allegedly being stopped, as reported by Boston.com.

There are reports that people in the Prudential Tower are now being told to evacuate the building.

We will continue to update this report as we know more. Boston Police are asking any tips to be sent to 1-800-494-TIPS. Victims can call 617-635-4500.

The Boston Athletic Association athlete tracker still appears to working, so you can check the status of runners using that tool.

Walter Frick, Lauren Landry, Alex Weaver & Greg Gomer contributed to this report.