A new political ad in Michigan is calling out Donald Trump for refusing to open the completed bridge - a development that could be a political liability for the U.S. president.

Mallory McMorrow is trying to turn the delayed opening of the Gordie Howe International Bridge into a campaign issue in Michigan’s Senate race.

WASHINGTON - The delayed opening of the Gordie Howe International Bridge is now an issue in a closely watched Michigan Senate race as a Democrat hopeful blames the pause on

Gordie Howe bridge between Windsor and Detroit had opening delayed after owner of rival bridge made million-dollar donation to US president.

A new political ad in Michigan is calling out Donald Trump for refusing to open the completed bridge - a development that could be a political liability for the U.S. president.