and authorities said a second nearby site was also being investigated. The Foriegn Ministry said on Sunday that the ministry was informed by the Thai Consulate General in the US city that no Thais were reported to have injured. Mayor Bill de Blasio called the blast an "intentional act," but said there was no terrorist connection. De Blasio said the blast was "an intentional act" and tried to calm any fears among nervous New Yorkers, saying the explosion had no terrorist connection and wasn't related to a pipe bomb explosion earlier Saturday in New Jersey at a charity run. A law enforment official told the Associated Press that a second device that officers were investigating four blocks from the scene appeared to be a pressure cooker attached to wiring and a cell phone. The source, speaking on codition of anonymity because the person was not authorised to speak abput an ongoing investigation, said the device was found inside a plastic bag on West 27th Street. The law enforcement official also said that the explosion appears to have come from a construction toolbox in front of a building. New York officials said the incident was not due to a gas leak.