Regina Mayor Chad Bachynski joined a conference of mayors from across North America on Friday to call for an end to the growing trade war between the United States and its neighbours.

Bachynski was one of seven Canadian mayors invited to the two-day conference in Washington, D.C., jointly hosted by the U.S. Conference of Mayors and the Federation of Canadian Municipalities. More than two dozen local officials from Canada, Mexico and the United States attended.

"We urge national leaders to put our…