On Saturday evening, September 17, in the Chelsea neighborhood of Manhattan, an explosion occurred. The device was put in the dumpster. According to police, injured 29 people, one of them was seriously injured. The authorities acknowledged the explosion of intentional action, but found no grounds to qualify it as a terrorist attack.
Another explosion on the same day occurred in new Jersey before the start of the charity race. In the explosion of a bomb nobody has suffered, the device worked also in a dumpster.
Police also found a pressure cooker with wires, which could be another explosive device.