Final answer:
The Boston Marathon bombings, a terrorist attack near the finish line North of the marathon, resulted in three deaths and over 250 injuries on April 15, 2013.
Step-by-step explanation:
The Boston Marathon bombings were a terrorist attack which happened near the finish line North of the Boston Marathon on April 15, 2013. This attack led to three fatalities and more than 250 injuries as two bombs made from pressure cookers exploded near the finish line, causing widespread chaos and horror. The attack prompted an intense manhunt that concluded with the death of one suspect, Tamerlan Tsarnaev, and the capture of his brother, Dzhokhar Tsarnaev, who later admitted to planning the attack with his brother.