We will turn every rock over to find the people who were responsible for this," Boston Police Commissioner Edward F. Davis said, according to Boston Globe.
Two bomb blasts which brought carnage to the Boston marathon with three dead and more than 100 injured was being treated Tuesday as a "potential terrorist" attack.
A decade after the deadly 9/11 attacks, terror returned to haunt America when twin explosions near Boston marathon finish line, killed three and injured over 144.
Day in Pics: 23rd November
Showbiz World - November 23, 2014
Los Angeles Auto Show