DETROIT (AP) – Mock exercises will test the effectiveness of communications across the border between the U.S. and Canada.

Wayne County’s Department of Homeland Security & Emergency Management is working with first responders from Detroit, elsewhere in the U.S. and Canada on Wednesday’s drills.

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Crews will use equipment and training they obtained with help from a $4 million grant awarded to Wayne County. The funds were part of the Border Interoperability Demonstration Project and were used to boost communication and collaboration.

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Improvements were made at the Detroit-Windsor Tunnel, a communications tower in Ecorse and elsewhere.

The Wayne County Airport Authority; emergency management officials in Macomb, Monroe and Chippewa counties in the U.S; and officials with the Windsor, Sault Ste. Marie, Essex County and LaSalle in Canada are among those involved in the effort.

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