The Gordie Howe bridge spans the most important border crossing between the U.S. and Canada. President Donald Trump has said he doesn't want it open yet.

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.

The delayed opening of the Gordie Howe International Bridge has become caught up in the broader Canada-U.S. trade dispute.

The Gordie Howe bridge spans the most important border crossing between the U.S. and Canada. President Donald Trump has said he doesn't want it open yet.

Michigan Republican says: 'Let's use the bridge opening as an opportunity to stop Canada from hurting American automobile workers."