<http://schema.org/description>
"Two explosions went off at the Boston Marathon killing 2 people and injuring at least 23 more. Scott Pelley reports the second explosion went off a block away from the first blast."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cbsnews.com/videos/second-explosion-at-boston-marathon-caught-on-tape/>