Historic Reels on Instagram: "The Boston Marathon bombing was a terrorist attack that occurred on April 15, 2013, near the finish line of the annual marathon. Two homemade explosive devices were detonated several seconds apart in a crowded public area where spectators had gathered to watch the runners complete the race. The blasts caused widespread chaos and panic, disrupting what is usually a festive and celebratory event. In the aftermath, emergency responders, volunteers, and bystanders moved