April 15, 2016 3:10 pm Boston Observes a Moment of Silence at 2:49 p.m. The City of Boston observed a moment of silence on Friday afternoon at 2:49 p.m. The first bomb went off at the Boston Marathon at 2:49 p.m. on April 15, 2013. US & World Videos 3:15 NSC reviewing cease-fire proposal: ‘I don't know that it gets any more sensitive than it is right now' 2:23 Climate change is moving Tornado Alley and driving more tornado outbreaks 1:41 Trump fined additional $1,000 for gag order violation and threatened with jail 0:53 Man attempts to shoot pastor during church service 3:28 Boy, 4, found dead after being swept away by floodwaters in North Texas