At just before 3:00 EST witnesses reported hearing 2 explosions near the Boston Marathon. Medical professionals were on scene overseeing the race, and casualties and injured patients are being taken to hospitals around the region. There is an unknown number of injured patients, and emergency officials are telling everyone in the area to stay inside and away from the blast zone in the event of other explosions or any other threats. Details are greatly limited right now but there will be updates to follow.