It has been one year since twin bombs exploded near the finish line of the annual Boston Marathon, killing three people and injuring more than 260 others.
ພາບຈາກພິທີຄົບຮອບ ການວາງລະເບີດຢູ່ບອສຕັນ
![Roses hang on a lamp post near the site of the second bomb blast on the one-year anniversary of the Boston Marathon bombings iN Massachusetts, April 15, 2014.](https://gdb.voanews.com/f8a11fe2-c38f-4ff8-bb98-77630f4f0d07_w1024_q10_s.jpg)
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Roses hang on a lamp post near the site of the second bomb blast on the one-year anniversary of the Boston Marathon bombings iN Massachusetts, April 15, 2014.
![Kevin Brown puts up a handmade memorial for victims of the 2013 Boston Marathon bombings near the race's finish line in Massachusetts, April 15, 2014.](https://gdb.voanews.com/d22f8fee-b73b-43cf-8463-ceaa75b3cd6b_w1024_q10_s.jpg)
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Kevin Brown puts up a handmade memorial for victims of the 2013 Boston Marathon bombings near the race's finish line in Massachusetts, April 15, 2014.
![Family members of the victims of the 2013 Boston Marathon bombings are joined by Massachusetts Governor Deval Patrick (wearing a baseball cap, left) and Boston Mayor Marty Walsh (3rd right) as they walk to the finish line, April 15, 2014.](https://gdb.voanews.com/f5d79e86-d6aa-4157-92ce-fe7a6b937b64_w1024_q10_s.jpg)
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Family members of the victims of the 2013 Boston Marathon bombings are joined by Massachusetts Governor Deval Patrick (wearing a baseball cap, left) and Boston Mayor Marty Walsh (3rd right) as they walk to the finish line, April 15, 2014.
![Security personnel walk across the Boston Marathon finish line prior to a remembrance ceremony for family members and survivors of the 2013 Boston Marathon bombing, on Boylston Street, April 15, 2014.](https://gdb.voanews.com/4619bded-274c-460e-84b6-a0914174616a_w1024_q10_s.jpg)
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Security personnel walk across the Boston Marathon finish line prior to a remembrance ceremony for family members and survivors of the 2013 Boston Marathon bombing, on Boylston Street, April 15, 2014.