OTTAWA, November 22. /TASS/. Ottawa has closed four border crossings between Canada and the United States after the vehicle explosion on the Rainbow Bridge, Canadian Prime Minister Justin Trudeau said at the parliament.

"[The] updates I can give right now is there are four border crossings that are right now closed," Trudeau said mentioning the Rainbow Bridge among them.

ABC News reported citing sources that investigators had found "some sort of suitcase or briefcase on scene", which may contain an explosive device. The bomb squad is handling the package, the television channel added.