Runners continue to run towards the finish line of the Boston Marathon as an explosion erupts near the finish line of the race in this photo exclusively licensed to Reuters by photographer Dan Lampariello after he took the photo in Boston, Massachusetts, April 15, 2013. Two simultaneous explosions ripped through the crowd at the finish line of the Boston Marathon on Monday, killing at least two people and injuring dozens on a day when tens of thousands of people pack the streets to watch the world famous race. REUTERS/Dan Lampariello (UNITED STATES – Tags: CRIME LAW SPORT ATHLETICS TPX IMAGES OF THE DAY ) MANDATORY CREDIT – RTXYN2E