'Intentional' blast injures 29 in Manhattan (NYT)

"An explosion in the Chelsea neighborhood was caused by what the authorities believe was a homemade bomb. A second explosive device was later found four blocks away.

Mayor Bill de Blasio called the explosion “an intentional act” but initially said there was no connection to terrorism."

????

Is that code for they don't think it was done by a brown person?

http://www.nytimes.com/2016/09/18/nyregion/chelsea-explosion-new-york-city.html