The quick solution? As of two:38 p.m. ET: No.
In keeping with the Boston Police Division, “Despite reports on the contrary there has no longer been an arrest in the Marathon attack.” CNN had prior to now led the cost in reporting that there used to be an arrest made, but they subsequently walked again that claim after citing three separate sources indicating no suspect is at the moment in custody.
Despite reports on the contrary there has not been an arrest in the Marathon attack.
— Boston Police Dept. (@Boston_Police) April 17, 2013
Regulate Mediaite as more news develops.