the fbi investigating an explosion at rainbow bridge near niagara falls. the car obliterated. a source says the two people in the car dead. a border patrol officer injured. the white house, homeland security on all ends responding to it. with the holiday in mind, law enforcement on alert. welcome. i m edward lawrence in for neil cavuto, this is a special edition of your world. let s go to alexis mcadams in new york with what we know at this hour. alexis? sources say that they believe this was a terrorist attack at that border crossing at the rainbow bridge. we ve been making calls. now they re out of the meetings and now we re getting new information that a car had two men in it in the passenger seat and driver s side. they were trying to cross in the u.s. in to canada and trying to avoid border patrol agents according to this source that got this update. that car started going at a high rate of speed and crossed over the median to get away from the border patrol agents.